The swift arrival of multiple COVID-19 vaccines has offered hope for the end of the global pandemic, but there's still a question of how long people are protected from the virus after they receive their shots.
The head of the Ontario Medical Association says the risk COVID-19 poses to pregnant and breastfeeding women is higher than the risk of taking a vaccine again=st the virus that causes it.
The federal government says it wants to reduce the amount of nicotine allowed in vaping products as part of greater efforts to curb their appeal to young Canadians.
The U.N. Commission on Narcotic Drugs voted Wednesday to remove cannabis and cannabis resin from a category of the world's most dangerous drugs, which could impact the global medical marijuana industry.
Two COVID-19 vaccines might be nearing the finish line, but scientists caution it's critical that enough people volunteer to help finish studying other candidates in the U.S. and around the world.
Mark Lindsay wishes his daughter, Chantelle, were here to see the fruition of her fight to bring transformational new therapies for cystic fibrosis to Canada.
Canada's first case of a rare swine flu variant has been found in a patient from central Alberta, but the province's chief medical officer of health says it seems to be isolated.
A new study is urging blanket hepatitis B vaccinations for Ontario newborns and better screening for pregnant women who may unknowingly spread the virus.
U.S. regulators on Thursday approved the first drug to treat COVID-19: remdesivir, an antiviral medicine given through an IV for patients needing hospitalization.
Psychologists have worried about the mental health toll of rising COVID-19 cases and tightened restrictions for months - add in the shorter days and colder weather of the approaching season, and we could be in for what one expert called a “long, dark winter.”
Seven Canadian families are suing an Ontario sperm bank, alleging they were misled about their donor's background, including a potentially debilitating genetic condition.
Timothy Ray Brown, the first person known to have been cured of HIV infection, says he is now terminally ill from a recurrence of the cancer that prompted his historic treatment 12 years ago.
A Massachusetts construction worker's love of black licorice wound up costing him his life. Eating a bag and a half every day for a few weeks threw his nutrients out of whack and caused the 54-year-old man's heart to stop, doctors reported Wednesday.
Lockdowns and other tough measures implemented to fight the COVID-19 pandemic have led to a dramatic decline in other infectious illnesses such as influenza and sexually transmitted infections, public health data suggest.
Late-stage studies of AstraZeneca's COVID-19 vaccine candidate are on temporary hold while the company investigates whether a recipient's “potentially unexplained” illness is a side effect of the shot.
Mental health therapists' caseloads are bulging. Waiting lists for appointments are growing. And anxiety and depression are rising among Americans amid the coronavirus crisis, research suggests.
