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Human immunodeficiency virus (HIV) can be prevented just by taking a daily pill, but a few numbers of individuals actually take it. A report of the Centers for Disease Control and Prevention (CDC) stated that more than one million people in the United States are at risk for HIV, but a daily pill of Truvada could prevent against the infection.

Some studies showed that men, who have sex with men, took pre-exposure prophylaxis (PrEP) and reduce their chances of contracting HIV by more than 90%. PrEP has been found reducing risk of HIV by over 70%, as per the studies.

Jonathan Mermin of the CDC said PrEP has been proven beneficial, but still, just 21,000 individuals are currently taking PrEP. No more than 1% people are availing the benefits, and it’s surprising, said Mermin.

After eating for a while you tend to start feel full and you do not want to eat more. But researchers, through a new study, have found it is not your inner feeling of being full rather it is your gut bacteria that signals brain that it has had enough nutrients to reach their goal.

According to study researchers, almost after 20 minutes of continuous eating, E. coli bacteria, which are commonly found in human gut, starts producing proteins that scientists say are connected to a hormone responsible to suppress hunger.

Researchers, through a recent study, have found that babies born in hospitals in England at weekends have higher death risk as compared to babies that were born on weekdays.

The researchers found that mothers of babies born on weekends are also more likely to develop infections. Study lead author Dr. Paul Aylin, of Imperial College London's School of Public Health, said, “More work needs to be done to better understand the causes of these differences, so that steps can be taken to improve outcomes for mothers and babies”.

The study published in the journal BMJ, Aylin's team analyzed data from 675,000 births at English National Health Services hospitals from April 2010 through March 2012. They found that 4,500 babies died within seven days of birth.

Parents of a 1-year-old baby girl in Philadelphia said that their baby’s brain tumor has shrunken after the infant was kissed by Pope Francis during his visit to the United States this September.

Gianna Masciantonio, 1, is battling with a rare brain cancer called systemic juvenile xanthogranuloma (JXG), her parents said. Her incurable tumor was spotted by doctors on her brain stem.

Gianna's father, Joe Masicantonio, told ABC News that her life was a miracle. Gianna had been in hospice care since her birth. Later, when she developed cysts, doctors during an 11-hours long operation came across the rare cancer JXG.

An 8-year-old Utah girl has been recently diagnosed with a rare type of breast cancer. Local doctors said she is so far the youngest such diagnosis they have ever seen.

According to the doctors, it is very rare that a girl at such a small age would have breast cancer. But yes its true, Turner has one of the rarest forms of the disease i.e. Secretory breast carcinoma.

The cancer diagnosed in Turner accounts for only 1% of all breast cancer cases, as per a report of ABC Utah. Turner learned that she has the rare disease after finding a lump in her chest in early November, her mother said.

The Centers for Disease Control and Prevention (CDC) said on Tuesday that Rotisserie chicken salad sold at Costco Wholesale Corp. is most likely to be the major source of E. coli outbreak.

The CDC said that five people out of the total number of infected people were hospitalized and two of them developed hemolytic uremic syndrome, a type of kidney failure.

Craig Wilson, Costco’s vice president responsible for food safety, said in a statement that they removed the product from the stores as soon as they were informed by the CDC about the issue on Friday. He also said that the company has been helping in the investigation into the issue.