Medicine
From advancements in the fight against malaria to new cancer treatments, to novel medical technologies, find all positive news about incredible medical breakthroughs and life-saving technology from all corners of the globe.
Brain health in old age starts taking shape far earlier than most people realize
BY THE OPTIMIST DAILY EDITORIAL TEAM In long-term studies where people had their cognitive ability tracked from youth into old age, one finding keeps standing out. “One of the most important factors explaining someone’s cognitive ability at age 70 is their cognitive ability when they were Read More...
What OB-GYNs want every mother to know about how pregnancy changes you
BY THE OPTIMIST DAILY EDITORIAL TEAM With Mother’s Day just behind us, conversations about everything that mothers give are top of mind. However, the biology of pregnancy has something more to say: the exchange runs in both directions, and some of it lasts a lifetime. There is a phenomenon Read More...
The Big Catch-Up vaccinated 18 million children in two years
BY THE OPTIMIST DAILY EDITORIAL TEAM Before any vaccine can protect a child, someone has to reach them. Around 12.3 million of the children covered by the Big Catch-Up had never received a single dose of anything: not measles, not polio, not diphtheria. They are known as zero-dose children, and Read More...
What doctors want you to know about GLP-1s and bone loss
BY THE OPTIMIST DAILY EDITORIAL TEAM A study presented at the 2026 American Academy of Orthopaedic Surgeons annual meeting found that among nearly 147,000 adults with type 2 diabetes and obesity, GLP-1 use was associated with higher rates of osteoporosis, osteomalacia, and gout. The finding Read More...
The gene behind congenital deafness, and how a single shot is fixing it
BY THE OPTIMIST DAILY EDITORIAL TEAM A girl born without the ability to hear was having everyday conversations with her mother four months after a single injection into her inner ear. She was seven years old. The treatment did not give her a hearing aid or implant. It gave her a gene she had Read More...
The Bahamas eliminates mother-to-child HIV transmission
BY THE OPTIMIST DAILY EDITORIAL TEAM The Bahamas became the 12th country or territory in the Americas to receive WHO certification for eliminating mother-to-child transmission of HIV, joining a regional cohort that now accounts for more than half of all such certifications worldwide. The Read More...
How a three-pill treatment could eliminate a centuries-old disease
BY THE OPTIMIST DAILY EDITORIAL TEAM For decades, the treatment for sleeping sickness was nearly as dangerous as the illness itself. One widely used intravenous drug caused a burning sensation in the veins and killed roughly one in 20 patients who received it. The oral replacement that followed Read More...
New guidelines link heart and brain health for the first time
BY THE OPTIMIST DAILY EDITORIAL TEAM For years, cardiologists and neurologists have largely worked in parallel, treating cardiovascular disease and cognitive decline as separate concerns. A new set of guidelines released in 2026 is changing that, and the shift is more practical than it might Read More...
Getting a base tan before summer? Dermatologists say stop.
BY THE OPTIMIST DAILY EDITORIAL TEAM A base tan provides roughly SPF 3 of protection. Dermatologists recommend SPF 30 every single day. Those two numbers are worth sitting with before you start "easing into" sun exposure this spring. The logic behind the base tan feels intuitive: build up Read More...
How AI-powered smart glasses could transform dementia care by 2027
BY THE OPTIMIST DAILY EDITORIAL TEAM For Carole Greig, 70, who was diagnosed with Alzheimer's almost three years ago, the prospect is personal. "How fantastic that we can be given some more independence, that we're going to be able to cope on our own and not be a burden," she said after testing Read More...