Articles on TC global health

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Providing drug users with clean syringes is part of Portugal’s harm-reduction approach to substance use. Horacio Villalobos/Corbis News via Getty Images

Portugal decriminalized drugs 25 years ago, but the real lesson is what it built around this policy

Portugal’s remarkable public health strides after changing its approach to drugs may not be replicable in other countries absent broader systemic reforms.
Melanoma and other skin conditions can look different in people with darker versus lighter skin – but image databases include many more examples from people with lighter skin. SeventyFour/iStock via Getty Images

AI skin cancer detection tools are getting better – but only for people with light skin

These apps and software programs could provide access to lifesaving screening – if researchers can find a way to remove the baked-in bias.
For decades, researchers thought that bacteria become resistant to antibiotics if patients stopped taking these drugs early. Liudmila Chernetska/iStock via Getty Images Plus

‘Must I take all my antibiotics?’ Why infectious disease experts are rethinking this longstanding rule

For some illnesses, shorter courses of antibiotics work just as well as longer ones, but researchers are still working out the ideal timescales for many infections – and it may not line up with when you feel better.
A Taiwanese gamer from the esports team Flash Wolves takes pills during a training session for the ‘League of Legends’ World Championship at a boot camp in Shanghai. Chandan Khanna/AFP via Getty Images

Professional gaming is brutal on the body – inside the growing field of treating esports injuries

Gamers face eye strain, repetitive-use conditions, back problems and even blood clots. Lessons from music, dance and car racing can help prevent and treat these injuries.
Study shows that lifestyle changes can improve overall cognitive performance by up to 55% in older adults at risk of developing cognitive decline and dementia. Imagem: Freepik

New study reinforce the positive impacts of lifestyle changes on cognitive health and dementia risk

Physical exercise, a proper diet, cognitive training, clinical monitoring, and socialization improve cognitive performance by 55% among older adults in Latin America.
Part of the challenge of finding a biomarker for mental illness is the environment’s significant influence. rudall30/iStock via Getty Images Plus

I’m part of the team writing the next bible of psychiatry – for the first time, the DSM will use biology to understand mental disorders

Despite advances in neuroscience, the underlying biology of mental illness has remained elusive. The DSM-6 will attempt to integrate neurobiology into how clinicians diagnose and treat psychiatric conditions.
The majority of the world is unable to process the lactose in milk without uncomfortable symptoms. Olga Miltsova/iStock via Getty Images Plus

Lactose intolerance is actually the human norm – but racism, the US government and business interests have made it into a condition

The vast majority of people around the world are lactose intolerant. But American propaganda and scientific biases have made milk and dairy products a staple in global diets.
After nearly a year-long gap, the CDC again has a permanent director. James Gathany, Centers for Disease Control and Prevention via Wikimedia Commons

The CDC has a new director – now comes the hard part

Amid multiple disease outbreaks and intense political pressures, Director Erica Schwartz will need to defend scientific independence.

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