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Invasive surgeries could be avoided with new pacemakers powered by heartbeats

Researchers have developed a small, flexible, elastic skeleton bound to two piezoelectric composites, which uses the electrical activity of the heart for power.

22 Feb 2019

Heart attacks more likely to be fatal in women and rates are rising

A recent study found that the heart attack rate is increasing in younger women and that fatalities for this gender are more common compared to men.

22 Feb 2019

Morning walks could be better than drugs at lowering blood pressure

According to a new study, just half-an-hour of walking in the morning could be as effective as medication at lowering blood pressure.

22 Feb 2019

New cellular atlas could provide a deeper insight into blinding diseases

When it comes to understanding how neurons connect to form circuits in the brain, scientists for decades have turned to the retina of the humble laboratory mouse as an ideal model organism. But as a model for vision and vision-related diseases, mice simply aren't equipped.

22 Feb 2019

Researchers identify origin of immune cell that helps form healthy heart valves

UCLA researchers have identified for the first time the origin of an immune cell that plays a critical role in the formation of healthy heart valves. The findings could pave the way for new treatments for heart valve disorders, which can be caused by congenital defects, aging or disease.

22 Feb 2019

New device allows scientists to reproduce blow effects on the heart in lab

A blow to the chest can have highly contrasting effects. For instance, some baseball players have died after being hit in the chest by a baseball, while patients undergoing fatal cardiac tachyarrhythmias have been saved by an appropriately timed thump to the chest.

22 Feb 2019

Successful testing of multi-organ "human-on-a-chip" could replace animals as test subjects

The replacement of animals as test subjects is one step closer to reality with the successful testing of multi-organ "human-on-a-chip" models to recapitulate the 28-day experiments typically used in animals to evaluate the systemic toxicity of drug and cosmetic compounds.

22 Feb 2019

Study offers new insights into mechanisms of changes in erythrocytes under stress

Various stress effects make an integral part of modern life, and their minimization is of particular relevance.

22 Feb 2019

Mitochondrial proteotoxicity appears to be epicentre of molecular pathogenesis

Researchers at the University of Helsinki uncovered the mechanisms for a novel cellular stress response arising from the toxicity of newly synthesized proteins.

22 Feb 2019

New blood test detects genetic disorders in fetuses

Tel Aviv University researchers have developed a new blood test for genetic disorders that may allow parents to learn about the health of their baby as early as 11 weeks into pregnancy.

21 Feb 2019

Phase 1 data reinforce safety profile of new drug for treating Duchenne muscular dystrophy

Patients with Duchenne muscular dystrophy (DMD) have few treatment options. Medications currently available or in development either target only a subset of DMD patients with a particular genetic mutation or cause significant side effects.

21 Feb 2019

Vitamin D supplementation less effective in the presence of obesity, shows study

A new Journal of Bone and Mineral Research study confirms that vitamin D supplementation is less effective in the presence of obesity, and it uncovers a biological mechanism to explain this observation.

21 Feb 2019

Behavior change of prolonged smoking cessation may delay or prevent onset of seropositive rheumatoid arthritis

In an Arthritis Care & Research analysis of 230,732 women, those who quit smoking many years ago had a lower risk of a certain form of rheumatoid arthritis (RA) compared with women who recently quit.

21 Feb 2019

Podcast: KHN’s ‘What the Health?’ How safe are your supplements?

The federal government's annual projections of health spending for the next decade suggest that it will go up faster than in recent years.

21 Feb 2019

Evening exercise does not negatively affect sleep, may also reduce hunger

Must cook dinner. Need to pick the kids up from school. Have to catch up on my favorite TV series. Live too far from the gym. Any of these sound familiar? With growing time demands, many middle-aged adults are finding time to engage in exercise increasingly difficult.

21 Feb 2019