Discover all the essential facts about brain health!
Request your FREE guide today

Get up-to-date information from our expert scientists working at the cutting edge of dementia research.

Fill in your details below to get your FREE essential brain health guide.

With our brain health guide, you'll:

Understand the causes of dementia
Learn how to spot the signs
See how the different parts of your brain make you who you are
Find out how to keep your brain healthy and reduce your risk of dementia
Get fun exercises to keep your mind active

Privacy overview

This website uses cookies to improve your experience while you navigate through the website. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyse and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may have an effect on your browsing experience.

Read the full privacy policy and cookies statement for Alzheimer’s Research UK.

Necessary

Always Enabled

Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. These cookies track visitors across websites and collect information to provide customized ads.

Cookie	Duration	Description
__adal_ca	5 months 27 days	Adalyser sets this cookie to stores which advertising campaign drove a user to visit, stores traffic source and campaign data.
__adal_cw	7 days	Adalyser sets this cookie to tie back conversion events to earlier visits and stores a visit timestamp.
__adal_id	1 year 1 month 4 days	Adalyser stores the Device ID generated by this cookie as a unique identifier for the device.
__adal_ses	30 minutes	Adalyser sets this cookie to determine whether there is an active session and which conversions have taken place in this session to prevent duplicates, stores a list of events in this session.
_fbp	3 months	This cookie is set by Facebook to deliver advertisement when they are on Facebook or a digital platform powered by Facebook advertising after visiting this website.
_opt_expid	less than a minute	Set by Google Analytics, this cookie is created when running a redirect experiment. It stores the experiment ID, the variant ID and the referrer to the page that is being redirected.
_pin_unauth	1 year	Pinterest set this cookie to group actions for users who cannot be identified.
ai_user	1 year	Microsoft Azure sets this cookie as a unique user identifier cookie, enabling counting of the number of users accessing the application over time.
B	1 year	This Cookie is used by Yahoo to provide ads, contents or analytics.
bscookie	2 years	This cookie is a browser ID cookie set by Linked share Buttons and ad tags.
fr	3 months	The cookie is set by Facebook to show relevant advertisments to the users and measure and improve the advertisements. The cookie also tracks the behavior of the user across the web on sites that have Facebook pixel or Facebook social plugin.
guest_id	1 year 1 month 4 days	Twitter sets this cookie to identify and track the website visitor. It registers if a user is signed in to the Twitter platform and collects information about ad preferences.
guest_id_ads	1 year 1 month 4 days	Twitter sets this cookie to identify and track the website visitor.
guest_id_marketing	1 year 1 month 4 days	Twitter sets this cookie to identify and track the website visitor.
id	1 month	The main purpose of this cookie is targeting and advertising. It is used to create a profile of the user''s interest and to show relevant ads on their site. This Cookie is set by DoubleClick which is owned by Google.
IDE	1 year 24 days	Used by Google DoubleClick and stores information about how the user uses the website and any other advertisement before visiting the website. This is used to present users with ads that are relevant to them according to the user profile.
li_sugr	3 months	LinkedIn sets this cookie to collect user behaviour data to optimise the website and make advertisements on the website more relevant.
muc_ads	1 year 1 month 4 days	Twitter sets this cookie to collect user behaviour and interaction data to optimize the website.
MUID	1 year 24 days	Bing sets this cookie to recognise unique web browsers visiting Microsoft sites. This cookie is used for advertising, site analytics, and other operations.
NID	6 months	Google sets the cookie for advertising purposes; to limit the number of times the user sees an ad, to unwanted mute ads, and to measure the effectiveness of ads.
personalization_id	1 year 1 month 4 days	Twitter sets this cookie to integrate and share features for social media and also store information about how the user uses the website, for tracking and targeting.
rl_anonymous_id	never	RudderStack set this cookie to store statistical data of users' behaviour on the website, which can be used for internal analytics by the website operator.
rl_group_id	never	RudderStack sets this cookie to collect user activity on the web.
rl_group_trait	never	Rudderstack sets this cookie, which is used to store performed actions on the website.
rl_page_init_referrer	never	Rudderstack sets this cookie, which is used to store performed actions on the website.
rl_page_init_referring_domain	never	Rudderstack sets this cookie, which is used to store performed actions on the website.
rl_trait	never	Rudderstack sets this cookie, which is used to store performed actions on the website.
rl_user_id	never	RudderStack set this cookie to store a unique user ID for the Marketing/Tracking purpose.
SUID	12 hours	Google Analytics sets this cookie to collect data on user preferences and/or interaction with web campaign content (Microsoft).
test_cookie	15 minutes	This cookie is set by doubleclick.net. The purpose of the cookie is to determine if the users'' browser supports cookies.
VISITOR_INFO1_LIVE	5 months 27 days	This cookie is set by Youtube. Used to track the information of the embedded YouTube videos on a website.
yt-remote-connected-devices	never	YouTube sets this cookie to store the user's video preferences using embedded YouTube videos.
yt-remote-device-id	never	YouTube sets this cookie to store the user's video preferences using embedded YouTube videos.
yt.innertube::nextId	never	YouTube sets this cookie to register a unique ID to store data on what videos from YouTube the user has seen.
yt.innertube::requests	never	YouTube sets this cookie to register a unique ID to store data on what videos from YouTube the user has seen.

Analytics

Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.

Cookie	Duration	Description
_ga	2 years	This cookie is installed by Google Analytics. The cookie is used to calculate visitor, session, campaign data and keep track of site usage for the site''s analytics report. The cookies store information anonymously and assign a randomly generated number to identify unique visitors.
_ga_*	1 year 1 month 4 days	Google Analytics sets this cookie to store and count page views.
_ga_TR76MGPH49	2 years	The _ga cookie, installed by Google Analytics, calculates visitor, session and campaign data and also keeps track of site usage for the site's analytics report. The cookie stores information anonymously and assigns a randomly generated number to recognize unique visitors.
_gaexp_rc	less than a minute	Google Analytics sets this cookie to determine a user's inclusion in an experiment and the expiry of experiments that a user has been included in.
_gat_UA-*	1 minute	Google Analytics sets this cookie for user behaviour tracking.
_gcl_au	3 months	This cookie is used by Google Analytics to understand user interaction with the website.
_gid	1 day	This cookie is installed by Google Analytics. The cookie is used to store information of how visitors use a website and helps in creating an analytics report of how the wbsite is doing. The data collected including the number visitors, the source where they have come from, and the pages viisted in an anonymous form.
_hjRecordingEnabled	never	Hotjar sets this cookie when a Recording starts and is read when the recording module is initialized, to see if the user is already in a recording in a particular session.
_hjRecordingLastActivity	never	Hotjar sets this cookie when a user recording starts and when data is sent through the WebSocket.
_hjSession_*	30 minutes	Hotjar sets this cookie to ensure data from subsequent visits to the same site is attributed to the same user ID, which persists in the Hotjar User ID, which is unique to that site.
_hjSessionUser_*	1 year	Hotjar sets this cookie to ensure data from subsequent visits to the same site is attributed to the same user ID, which persists in the Hotjar User ID, which is unique to that site.
ai_session	30 minutes	This is a unique anonymous session identifier cookie set by Microsoft Application Insights software to gather statistical usage and telemetry data for apps built on the Azure cloud platform.
attribution_user_id	1 year	This cookie is set by Typeform for usage statistics and is used in context with the website's pop-up questionnaires and messengering.
FPID	session	Google Tag Manager sets this cookie for server-side tagging.
FPLC	session	Google Tag Manager sets this cookie for tracking between domains.
ln_or	1 day	Linkedin sets this cookie to registers statistical data on users' behaviour on the website for internal analytics.
MUIDB	1 year 24 days	Bing sets this cookie to determine how the user uses the website and any advertising that the end user may have seen before visiting the said website.
vuid	2 years	This domain of this cookie is owned by Vimeo. This cookie is used by vimeo to collect tracking information. It sets a unique ID to embed videos to the website.

Functional

Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features.

Cookie	Duration	Description
__cf_bm	30 minutes	This cookie is set by CloudFare. The cookie is used to support Cloudfare Bot Management.
_EDGE_S	session	Bing sets this cookie to display map content using Bing Maps.
_EDGE_V	1 year 24 days	Bing sets this cookie to display map content using Bing Maps.
_gaexp	23 days 11 hours 9 minutes	Google Optimize sets this cookie to determine a user's inclusion in an experiment and the expiration of experiments a user has been included in.
aka_debug		No description
bcookie	2 years	This cookie is set by linkedIn. The purpose of the cookie is to enable LinkedIn functionalities on the page.
cfid	20 days 2 hours	Used in conjunction with cftoken this cookie helps to uniquely identify a client device (browser) to enable the site to maintain user session variables.
lang	session	This cookie is used to store the language preferences of a user to serve up content in that stored language the next time user visit the website.
li_gc	5 months 27 days	Linkedin set this cookie for storing visitor's consent regarding using cookies for non-essential purposes.
lidc	1 day	This cookie is set by LinkedIn and used for routing.

Performance

Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.

Cookie	Duration	Description
ADRUM_BTa		This cookie is used to optimize the visitor experience on the website by detecting errors on the website and share the information to support staff.
sync_active	never	This cookie is set by Vimeo and contains data on the visitor's video-content preferences, so that the website remembers parameters such as preferred volume or video quality.
YSC	session	This cookies is set by Youtube and is used to track the views of embedded videos.

Other

Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet.

Cookie	Duration	Description
_gat_UA-21273952-1	1 minute	No description
_hjAbsoluteSessionInProgress	30 minutes	No description
_hjFirstSeen	30 minutes	No description
_hjid	1 year	This cookie is set by Hotjar. This cookie is set when the customer first lands on a page with the Hotjar script. It is used to persist the random user ID, unique to that site on the browser. This ensures that behavior in subsequent visits to the same site will be attributed to the same user ID.
_hjIncludedInPageviewSample	2 minutes	No description
_hjIncludedInSessionSample	2 minutes	No description
_hjTLDTest	session	No description
A3	1 year	No description
aff	1 month	No description
AnalyticsSyncHistory	1 month	No description
asst	30 minutes	No description
AWSALB	7 days	AWSALB is a cookie generated by the Application load balancer in the Amazon Web Services. It works slightly different from AWSELB.
cass	2 hours	No description
cftoken	20 days 2 hours	Used in conjunction with cfid this cookie helps to uniquely identify a client device (browser) to enable the site to maintain user session variables.
CONSENT	16 years 10 months 12 days 14 hours 5 minutes	No description
gdId	10 years	No description
gdsid	6 hours	No description
GSESSIONID	2 hours	No description
MXP_TRACKINGID	30 years	No description
player	1 year	No description
RUL	1 year	RUL writes these cookies: GDPR - your consent that is collected on this page (valid for one year). PHPSESSID - session identifier for repository part of RUL, valid as long as the browser window is open (valid for session duration). random number - session identifier for content part of RUL, valid as long as the browser window is open. startSz - font size. This cookie is written only if you change the font size using ""Bigger font"" or ""Smaller font"" link. dkUser - written only when you log-in, which changes the display of certain page elements (valid for session duration). Above mentioned cookies are mandatory for our website to function properly.
SameSite		No description
site		No description
trs	1 year	No description
UserMatchHistory	1 month	Linkedin - Used to track visitors on multiple websites, in order to present relevant advertisement based on the visitor''s preferences.

Others

Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet.

Cookie	Duration	Description
__adal	session	Description is currently not available.
_hjIncludedInSessionSample_2773626	2 minutes	Description is currently not available.
_hjIncludedInSessionSample_66910	2 minutes	Description is currently not available.
AWSALBTG	7 days	No description available.
AWSALBTGCORS	7 days	No description available.
ccc	1 month	Description is currently not available.
is_eu	never	No description available.
m	1 year 1 month 4 days	No description available.
Path	session	Description is currently not available.
SRCHHPGUSR	1 year 24 days	No description available.
tf_respondent_cc	6 months	Description is currently not available.
WFESessionId	session	No description available.

Discover all the essential facts about brain health!Request your FREE guide today

Get up-to-date information from our expert scientists working at the cutting edge of dementia research.

Fill in your details below to get your FREE essential brain health guide.

With our brain health guide, you'll:

Understand the causes of dementia

Learn how to spot the signs

See how the different parts of your brain make you who you are

Find out how to keep your brain healthy and reduce your risk of dementia

Get fun exercises to keep your mind active

Discover all the essential facts about brain health!
Request your FREE guide today