More than half of HIV-infected people are now on life-saving treatment. Experts, however, said that more could have been done given the amount of money spent for battling AIDS epidemic.
A coffee sold over the counter as a male enhancement product contains an ingredient similar to sildenafil, the active ingredient of erectile dysfunction drug Viagra. Why is this a bad thing?
In what is known as the first case of brain damage reversal, doctors used normobaric oxygen therapy and hyperbaric oxygen therapy to treat a toddler who drowned and suffered brain damage. Here’s how the treatment works.
Republican Congressman Dana Rohrabacher asked the panel of space experts at a House Committee on Science, Space, and Technology hearing if there was a Mars civilization thousands of years ago. A NASA scientists answered the questions.
A cow delivered to a livestock market in Alabama and later died was found positive for BSE, or mad cow disease. Does the fifth BSE case in the United States pose human threats?
Using a new math formula, researchers were able to predict the top speed of different animals including extinct prehistoric creatures such as dinosaurs. Which one was faster, the T. rex or the velociraptor?
After nearly four decades of attempting to get pregnant, a 59-year-old woman finally gave birth to a baby boy. What helped Akosua Budu Amoako to have a successful pregnancy?
The antenna of NASA's TDRS-M communication satellite was damaged while it was being packed for launch. The accident may cause changes in the timeline of the mission set for launch on Aug. 3.
A woman initially thought her eye problem was caused by old age and dry eyes. She was supposed to undergo cataract surgery when doctors discovered a blue mass that turned out to be contact lenses stuck together in her eye.
Up to 20 million mosquitoes infected by the Wolbachia bacteria will be released in California to fight zika, dengue and chikungunya. Does this technique pose safety risk to humans and other species?
Four new studies found evidence suggesting that stress of poverty and racism are factors that can increase risk of dementia in African Americans. The findings back up earlier studies that link stress and changes in the brain.
Scientists using the Arecibo Observatory in Puerto Rico detected an almost periodic signal coming from the small and dim star Ross 128 located 11 light-years away. Are these radio emissions signals from intelligent alien life?
As a precautionary measure, a meat processor recalled more than 7 million of its hot dogs and sausages over concern these may contain bone fragments. Here are the affected products.
Early surgery may not be necessary, and may even pose side effect risks to some men diagnosed with prostate cancer. A smaller group of patients though may still benefit from early treatment.
Macaroni and cheese powder may contain harmful phthalates that have been banned in baby products, but potentially toxic ingredients are also present in other popular food products. Here are some of them.
NASA's chief of human spaceflight, William Gerstenmaier, said that the space agency's current budget cannot afford the cost required for a manned mission to Mars. How much does it cost to send humans to the Red Planet?
PTSD is considered a mental health condition but sufferers have bigger amygdala, a region in the brain linked to fear. What is behind these changes in the brain?
Plants can turn leaf-munching pests like caterpillars into cannibals that feast on each other by releasing a special chemical. Here's how plant-induced caterpillar cannibalism can benefit tomato plants.
The Larsen C ice shelf, the fourth largest in Antarctica, finally broke off producing the iceberg A68 that now floats in the Weddell Sea. Will this cause sea level rise?
A girl died after attempting to use her cellphone while charging in the bathtub. Her family is now spreading awareness about the dangers of using electrical devices near water.
Scientists from China made historic achievement with the first ever teleportation of an object from Earth to space. The experiment involved pairs of photons, Micius satellite, and quantum entanglement.
Poor quality sleep can lead to buildup of amyloid and tau, compounds linked to Alzheimer's disease. Experts and studies, however, offer hints that may help people with sleep problems such as insomnia.
A sixth mass extinction event is already happening and it is worse than researchers previously believed. What are its impacts on humans and what makes it different from the previous mass extinctions?
How is it like to live on the moon or another world beyond Earth for an extended period of time? China will soon find out as it begins the 200-day experiment of a self-sustaining ecosystem at the Lunar Palace-1.
The depiction of tobacco in Hollywood movies increased by about 80 percent. Health experts are concerned about the potential effects on young people given the causal link between smoking in movies and teens starting to smoke.
WHO has warned of rising cases of antibiotic-resistant gonorrhea amid declining use of condom and inadequate treatments. Who are the people most likely to get infected with this drug-resistant sexually transmitted infection?
Butler County Sheriff Richard Jones says there is no law that requires police officers to carry Narcan. Here are his reasons why he does not want deputies to carry the opioid antidote.
Sen. Charles Schumer called for the FDA to investigate the health effects of Coco Loko amid its growing popularity. What are the potential dangers of inhaling the caffeinated cocoa powder?
Gravitational lensing and new computational methods helped NASA's Hubble Space Telescope capture sharper images of a galaxy that formed 2.7 billion years after the Big Bang. The images revealed two dozen clumps of newborn stars.
WHO warned that oral sex spreads dangerous antibiotic-resistant gonorrhea that can be potentially untreatable. What are the symptoms of oral gonorrhea and how can it be avoided?