immune system

You can catch Covid more than once. Here's what we know about reinfection, Omicron and boosters.
After a year of isolation, sanitising and masking, we're slowly re-entering the world. Here's how our bodies may react.
Add these to your shopping basket for a happier, healthier you.
Two new studies have shed light on the gender disparities between those blighted by long-term symptoms.
HuffPost UK reader Lisa asked why people who have had Covid-19 are being told to get vaccinated.
Even if you're not getting the Covid-19 vaccine anytime soon, it might be worth stopping drinking. Here's why.
Smoothie and supplement companies might get your hopes up, but "medically, it doesn’t really make sense".
Immunity in the UK is “waning quite rapidly”, a new study suggests. Here's what that means.
Experts explain what you can do to give your immune system a helping hand.
Donald Trump reveals he's been taking anti-malaria drug unproven to treat Covid-19, as UK death toll nears 35,000.