CBC Health News

Many men experiment with testosterone replacement therapy (TRT) to improve their energy and strength, with some just getting it online, says a London, Ont., urologist who stresses getting medical guidance. "The use of hormone therapy, in my mind, is really tied to reinforcing some of the ideas of masculinity that we have," says a researcher who teaches at Western University.

Measles is making a comeback in Quebec. From December to March, at least 31 cases were reported and experts point to one cause — declining vaccination rates.

Here's what you need to know about hantavirus, the rodent-borne pathogen blamed for the death of Betsy Arakawa, the wife of actor Gene Hackman. Hantavirus pulmonary syndrome has killed at least 34 people in Canada over the past three decades.

Conversations are happening in Nova Scotia about developing the first midwifery education program east of Quebec.

Since catching COVID-19 in 2022, Nathanael Rafinejad, 29, can't stand longer than a few seconds at a time and has relied on a wheelchair. They are one of thousands of Quebecers with long COVID, a chronic condition that can prevent once healthy, active people from functioning as they once did.

Ontario's system to support people with developmental disabilities is "on the verge of collapse" because of low funding, according to several agencies that have formed a coalition to call on the provincial government to act. 

Stem cell researchers are trying to reverse a deadly genetic variant that's plagued families in this province for generations. Those who carry the mutation say the medical research is straight out of science fiction.

Families not being able to be at their loved ones' side as they died was common during parts of the COVID-19 pandemic — and a policy choice one advocate says “really broke people emotionally” and that may have been approached differently in hindsight.

The former administrator of the U.S. Agency for International Development says major funding cuts to the agency could lead to more cases of diseases such as paralytic polio and malaria. 

A B.C. provincial court judge has slapped the owners of four Lower Mainland sex shops with a precedent-setting $1-million penalty for advertising, selling and packaging prescription-only erectile dysfunction drugs under the guise of "natural health products."

U.S. President Donald Trump's freeze of foreign aid has caused turmoil and confusion, including in the world's largest refugee camp in Bangladesh, where a million people live — mostly stateless Rohingya refugees who fled across the border to escape a brutal military crackdown in their home country, Myanmar. 

As measles infections tick up and up across multiple provinces, local public health alerts of new cases come with detailed descriptions of the person's whereabouts before they were diagnosed. Here's why the dates and times matter to control the contagious illness.

Health officials in British Columbia say two new travel-related cases of measles have been confirmed in the Lower Mainland, bringing the number of those recently infected to four.

A new report says at least 458 homeless people died in 2023, up 23 per cent from 2022 and close to triple the 155 deaths reported in 2020.

Two people have died at the Maplehurst Correctional Complex in Milton, Ont., due to an outbreak of invasive group A streptococcal disease (iGAS), according to Halton Region.

The NDP made ambitious heath-care promises during the 2024 election, but its first budget under a new mandate failed to honour several key commitments.

University of Calgary researchers are leading a national surveillance system, tracking respiratory virus trends among Canadian children who seek care in hospitals.

The province’s health minister’s office estimates there will be more than 640,000 no-shows in 2025. But some medical experts say charging patients isn't the right approach.

A Marketplace investigation has pulled back the curtain on how some mobile games, which seem to attract children, use loopholes in rules protecting kids’ data — allowing marketers to build advertising profiles tailored to them, which can then be more effective at influencing their behaviour.