Find out what the early data from the new ZOE Health Study Habit Tracker show — and which habit most of our contributors are sticking with.

 ZOE Habit Tracker: What have we found so far?

Which new habits are you sticking with?

We bring you the scientific facts behind some of the myths, misconceptions and misinformation circulating about the COVID-19 vaccines.

Are sharks being killed for COVID vaccines? Does the vaccine contain monkey cells? And will it alter your genes? We tackle the most common COVID-19 vaccine myths

As COVID-19 evolves, a new ranking of symptoms has emerged from your reports on the app. What are the most common symptoms now, and how they have changed?

What are the most common COVID symptoms?

Changes to your tongue and mouth may be a sign of COVID-19. Here’s what to look out for.

What is ‘COVID tongue,’ and what does it look like?

What is COVID tongue?

In this webinar, our experts discuss how seriously COVID affects children, the risks of long COVID, and whether we should be vaccinating kids.

How does COVID-19 affect children?

Did you know that losing your appetite and skipping meals can be a symptom of COVID? Here’s how to spot it and what it’s like.

Is a loss of appetite a symptom of COVID-19?

skipped-meals

We’ve recorded a quarter of a million COVID boosters and third primary doses through the ZOE COVID Study to better understand their safety and effectiveness. Here’s what we found. 

Are COVID booster shots safe?

The latest study you can get involved with in the ZOE Health Study app looks at your typical diet and food consumption patterns, helping to inform other research

Launching the Big Diet Study

Launching the big diet study

Millions of people around the world have now received booster vaccines. Here’s what we know so far about the after effects of booster jabs.

COVID-19 Booster Jabs: What Are the After Effects? 

Booster Vaccine Side Effects

As a result of changes in reports, we’ve updated the way we calculate our COVID incidence figures. This means that you’ll see the numbers change.

COVID Estimates Updated 

We’ve updated how we calculate our COVID incidence figures.

Here’s what we know so far about Omicron, what you can do to help keep yourself and others safe, and how you can help with research into the new variant.

What is the Omicron COVID-19 variant and what do we know so far?

What you need to know about the new omicron variant

What has the largest community study of intermittent fasting found so far? Read about early results and why we want people to extend their time in the study.

The Big IF Study: What have we found so far? 

We learned something about our early Contributors.

As access to testing changes, here are our tips for using COVID home testing kits most efficiently to keep the people around you safe.

The end of free COVID testing — how to cope

Free COVID testing is over

Making changes can be tricky, and New Year’s resolutions often don’t last. To help you make positive changes, we’re introducing the ZHS Habit Tracker.

The ZOE Health Study Habit Tracker: Looking to make a change this year?

Around 40% of you planned to make resolutions in the new year.

With our Habit Tracker app, we want to investigate the impact that small lifestyle changes may have on mood, energy, hunger, sleep quality, and health symptoms.

 Launching the Habit Tracker

We want to investigate the impact that small lifestyle changes may have on mood, energy, hunger, sleep quality, and health symptoms.

The latest study you can get involved with in the ZOE Health Study app looks at intermittent fasting and what effects it might have on your body over 2 weeks or longer.

The Big IF Study: Does the time you eat make a difference?

The latest study from ZOE looks at intermittent fasting.

ZOE research has been published in the Lancet and finds that Omicron symptoms are less severe than Delta in the vaccinated population.

Is the Omicron COVID variant less severe than Delta?

Omicron is less severe than Delta.

<h3>Learn more from the team behind the world's largest in-depth nutrition study and the world's largest study of COVID.</h3>

News & Research

With our technology and dedicated contributors, we plan to unlock the secrets of the immune system to understand how everyday behaviours can reduce the risk of chronic diseases, from cancer to dementia.

News & Research

Learn more from the team behind the world's largest in-depth nutrition study and the world's largest study of COVID.

Featured

COVID Estimates Updated

Launching the Habit Tracker

The Big IF Study: Does the time you eat make a difference?

Launching the Big Diet Study

ZOE Habit Tracker: What have we found so far?

The ZOE Health Study Habit Tracker: Looking to make a change this year?

COVID Symptoms

ZOE Habit Tracker: What have we found so far?

Are sharks being killed for COVID vaccines? Does the vaccine contain monkey cells? And will it alter your genes? We tackle the most common COVID-19 vaccine myths

What are the most common COVID symptoms?

What is ‘COVID tongue,’ and what does it look like?

How does COVID-19 affect children?

Is a loss of appetite a symptom of COVID-19?

Vaccines and Immunity

Are COVID booster shots safe?

Launching the Big Diet Study

COVID-19 Booster Jabs: What Are the After Effects?

Pandemic Spread

COVID Estimates Updated

What is the Omicron COVID-19 variant and what do we know so far?

Coping With COVID

The Big IF Study: What have we found so far?

The end of free COVID testing — how to cope

The ZOE Health Study Habit Tracker: Looking to make a change this year?

Launching the Habit Tracker

The Big IF Study: Does the time you eat make a difference?

Is the Omicron COVID variant less severe than Delta?