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Bob Ebeling, along with four other engineers at NASA contractor Morton Thiokol, did all they could to stop the launch of the space shuttle Challenger 30 years ago. The nation lost seven astronauts when the space shuttle exploded 73 seconds after the its launch. The incident left Ebeling in depression and to date the 89-year-old engineer has not recovered from the guilt and grief.

A latest study that has appeared in the Journal of the American Heart Association has discovered that caffeine doesn't lead to heartbeat irregularities, though it has been heard so in the past.

The University of California San Fransisco researchers assessed the coffee, tea and chocolate consumption of 1,388 healthy men and women over a 365-day period.

In this time span, the participants were told to wear a portable device that monitored their heart rhythm the whole day, 24X7.

Scientists have come up with a wearable sweat monitor that keeps check on an individual’s health by monitoring the chemical composition of his/her perspiration.

Described on Wednesday in Nature, the new device is sufficiently flexible to move with the body. It has Bluetooth capabilities, thus, can send data in real time to a smartphone.

There could be a day soon when it might alert sweat drenched users to their vulnerability of dehydration, fatigue, stress and other physical ailments, and may make activity monitors such as Fitbit look terribly basic.

Senior author on the paper, Ali Javey, a professor of electrical engineering at the University of California, Berkeley, said that the ultimate aim is to have a pathology lab right on the body.

A California lab, owned by Theranos, a Silicon Valley company, was targeted by the Centers for Medicare and Medicaid Services (CMS) for not being in compliance with its regulation, in November. The CMS is responsible for monitoring clinical laboratories. The lab was found to have gone through deficient practices, which could be a danger to health and safety of patients. The company has 40 retail locations across metro Phoenix. The company said it has already corrected the fallouts and would continue to meet regulations.

The CMS inspectors found five lab areas in problem, and the most serious one was hematology, when they inspected the Newark, Calif., lab on November 20. Following, the body has issued direction to Theranos to correct an infraction that has potential to cause harm.

Use of tanning bed is very common practice in many parts of the world. Have you ever thought this habit can lead to skin cancer? A recent study has found that more people use the tanning bed in early days of life. They could be at risk of getting melanoma, a kind of skin cancer, even before turning 40.

The research was done on women diagnosed with melanoma and was published in JAMA Dermatology. Two women, Rachel Hagan and Surina Howard, were part of the study among other 63 women group researched. Hagan is a light-skinned and was 34 when doctor spot a mole on her leg, which indicated that she had melanoma, while Howard is darker and was diagnosed with the skin cancer at the age of 20, when a tiny spot on her forehead was declared melanoma.

Researchers have taken a significant step towards finding the origins of schizophrenia, a mental disorder capable of affecting how a person thinks and behaves. A study published in 27 January edition of journal Nature has provided some clues that can help in understanding cause behind the psychiatric disorder.

The US has more than two million individuals who have diagnosis of schizophrenia. There are some effective drugs to treat the disorder, but most of them don’t treat the underlying cause. Now, researchers hope the new findings could help in making treatments that can treat schizophrenia completely.