Latest science news in Health & Medicine
Testosterone therapy's popular in the online 'manosphere' — but doctor warns it's not for everyone
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....
Tiger Woods undergoes surgery to repair ruptured Achilles tendon
Five-time Masters champion Tiger Woods underwent successful surgery Tuesday to repair a ruptured Achilles tendon in his left leg, one month before the first major championship of the season.
Deadly measles outbreak: 223 cases now in Texas, 33 in New Mexico
Adjoining counties in northwest Texas and eastern New Mexico account for 256 cases of measles with 223 in Texas and 33 in New Mexico, respective state health authorities announced Tuesday.
Risk of Reduced Crew Health and Performance Due to Hypoxia
1 min readRisk of Reduced Crew Health and Performance Due to Hypoxia Astronauts Michael R. (Rich) Clifford and Linda M. Godwin, the assigned space-walking mission specialists for STS-76, go through a “pre-breathing” period...
Risk of Reduced Physical Performance Capabilities Due to Reduced Aerobic Capacity (Aerobic Risk)
1 min readRisk of Reduced Physical Performance Capabilities Due to Reduced Aerobic Capacity (Aerobic Risk) NASA astronaut Anne McClain is inside the Destiny laboratory module surrounded by exercise gear, including laptop computers and...
Risk of Reduced Physical Performance Capabilities Due to Reduced Muscle Size, Strength, and Endurance (Muscle Risk)
1 min readRisk of Reduced Physical Performance Capabilities Due to Reduced Muscle Size, Strength, and Endurance (Muscle Risk) NASA astronaut and Expedition 65 Flight Engineer Mark Vande Hei sets up the International Space...
Risk of Renal Stone Formation
1 min readRisk of Renal Stone Formation ISS Expedition 13 Flight Engineer, Thomas Reiter, on board ISS processes samples for the Renal Stone investigation.NASA Exposure to microgravity induces bone atrophy/bone loss which increases...
Risk of Spaceflight Associated Neuro-ocular Syndrome
1 min readRisk of Spaceflight Associated Neuro-ocular Syndrome Astronaut Serena M. Auñón-Chancellor Examines Her Eyes in SpaceNASA Exposure to altered gravity can cause ocular and brain structural changes to develop during spaceflight; these...
Risk of Urinary Retention
1 min readRisk of Urinary Retention Astronaut Mark Vande Hei swaps out components on an advanced new toilet installed inside the International Space Station.NASA Exposure to the altered gravity in the spaceflight environment...
Human System Risk Board
6 min readHuman System Risk Board Risks Concept Risk is inherent in human spaceflight. However, specific risks can and should be understood, managed, and mitigated to reduce threats posed to astronauts. Risk management...
Firefighters' brain tumors linked to flame retardant chemical
Firefighters might face a higher risk of brain cancers caused by exposure to chemicals in fire extinguishers, a new small-scale study says.
Rule change cut concussion risk for soccer kids, study indicates
A simple rule change for youth soccer dramatically reduced concussion risk among athletes, a new study says.
Zebrafish study reveals nanoplastics' impact on red blood cell maturation
Polystyrene nanoparticles are widely used in packaging, but their effects on organisms are unclear. Very little was known about how they affect blood cell development until now.
In wake of deadly D.C. helicopter crash, NTSB urges changes to address 'intolerable safety risk'
Current airport flight safety practices create an "intolerable safety risk" that could be eliminated by changing allowed separation distances between helicopters and airplanes, federal officials say.
Drug building blocks pave path to new sepsis treatments
The immune system can typically ramp up the body's defenses to clear out an invading threat without issue. Glitches can happen, however, with sepsis occurring when the mustered army of...
Garmin Venu 3 review
The Garmin Venu 3 is an easygoing fitness watch that now offers ECG readings, an improvement on the Venu 2.
Researchers identify early signs of GI disease risk in dogs
Researchers at the Texas A&M Gastrointestinal Laboratory (GI Lab) have discovered signs that can be used to identify dogs with a high risk of gastrointestinal disease—which causes more than 10%...
6 things to know about antidepressants
An abundance of data show that SSRIs, a class of drugs commonly used as antidepressants, are effective, though, like any drug, they have risks.
Liquid nanofoam innovation designed to protect the brain now tested on internal organs
Researchers at Michigan State University have refined an innovation that has the potential to improve safety, reduce severe injury and increase survival rates in situations ranging from car accidents, sports,...
Ludwig Lausanne's Douglas Hanahan Honored for His Contributions to Cancer Research
Ludwig Cancer Research congratulates Douglas Hanahan, Ludwig Distinguished Scholar at the Lausanne Branch of the Ludwig Institute for Cancer Research, on his selection as recipient of the Pezcoller Foundation-AACR International...
Quality sleep speeds up kids' concussion recovery
Sleep is a critical component for concussion recovery among kids, a new study reports.
Miami Dolphins, safety Ifeatu Melifonwu agree to 1-year deal
The Miami Dolphins agreed to a one-year contract with free agent safety Ifeatu Melifonwu, his agent, Sean Stellato, confirmed on Tuesday.
House pride from A to Z
Campus & Community House pride from Illustration by Judy Blomquist/Harvard Staff March 11, 2025 1 min read Housing Day is more than a tradition, as first-years soon learn On March 13, Cambridge residents may catch a...
Psychological 'booster shots' can strengthen resistance to misinformation over time
A new study has found that targeted psychological interventions can significantly enhance long-term resistance to misinformation. Dubbed "psychological booster shots," these interventions improve memory retention and help individuals recognize and...
Wheat Stem Sawfly Genes Editing-CRISPR
Insects, diseases, and abiotic stressors cause losses of millions of tons of wheat and cost farmers $100s of millions each year.
Over 1 in 3 adults in households with guns do not store all in locked locations
Since 2017, firearm-related injuries in the United States have been the most common cause of death from injury among children through young adults, ages 1 to 24, surpassing motor vehicle...
5 years of COVID-19 shows need for coordination as CDC, NIH, WHO face threats
While public opinions of the CDC and the WHO shifted throughout the COVID-19 pandemic, recent survey results indicate that the majority of Americans trust public health agencies at least to...
Human-derived food accounts for more than a third of the diet of urban foxes, a new study suggests
Scientists at Nottingham Trent University found that food from people—directly or indirectly—contributes an estimated 35% of the urban fox diet, compared to just 6% for their rural counterparts.