According to researchers, there was no significant benefit from the supplementation of vitamin D for the purpose of alleviating depression.

Lockdowns may have “profound and long-lasting” effects on mental health, researchers are warning.

A C.D.C. analysis finds that overall death rates have risen, particularly among young adults and people of color.

BBC Breakfast spent four days filming inside The Christie Hospital in Manchester, meeting patients and staff.

After months of caving to pressures from the White House, Commissioner Stephen Hahn and a band of agency scientists have eked out a few victories.

All the weak points of American health care — testing delays, communication breakdowns, inequity — are working against this potential treatment.

As winter approaches, we still need to be vigilant about taking precautions.

The threat posed by the virus makes randomized controlled trials extremely difficult. That means “real-life experiments” are especially important.

Regulators say a major group is misrepresenting cost-sharing plans, saddling people with unpaid medical bills.

Researchers found that people make tiny, unconscious movements to aim their ears at a particular sound.

Many of those looking after vulnerable relatives or friends wonder how they will cope this winter.

Work is underway to start trials in January where volunteers will be deliberately exposed to the virus.

Could human challenge trials speed up the development of a coronavirus vaccine?

American officials in China, Cuba and Russia say U.S. agencies are concealing the true extent of the episodes, leaving colleagues vulnerable to hostile actions abroad.

The Honker Divide Canoe Route draws intrepid travelers through the world’s largest intact temperate rainforest. But the lifting of logging restrictions may indelibly alter its character.

A manifesto urging reliance on “herd immunity” without lockdowns was warmly received by administration officials. But the strategy cannot stem the pandemic, many experts say.

They appear to be a fourth pair of large salivary glands, tucked into the space where the nasal cavity meets the throat.

Controlling the response to the virus might be as important as controlling the virus itself.

Autoinflammatory diseases are caused by abnormal activation of the innate immune system, the body’s first-line defence against invading pathogens.

Fourteen new donation centres are to open around the country in November and December.

In Hamilton, business owners are walking a tightrope between keeping people safe from the coronavirus and not driving them away.