In a new study involving over 627,000 people, only a quarter reported symptoms such as headaches and fatigue.

After more than a year of working remotely, many feel stress about coming back to their desks. Here's how to cope.

Now that the FDA has authorized the Pfizer vaccine for children as young as 12, parents have questions. Here are some answers.

As supply exceeds demand, experts debate whether requiring the shot would be helpful or hurtful.

Teaching the brain's scent pathways to recognize different odors may help one of COVID's most bewildering symptoms.