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Increasing physical activity, fitness may be superior to weight loss for reducing health risks

The prevalence of obesity around the world has tripled over the past 40 years, and, along with that rise, dieting and attempts to lose weight also have soared. But according to a review article publishing September 20 in the journal iScience, when it comes to getting healthy and reducing mortality risk, increasing physical activity and improving fitness appear to be superior to weight loss. The authors say that employing a weight-neutral approach to the treatment of obesity-related health conditions also reduces the health risks associated with yo-yo dieting.

21 Sep 2021

Researchers uncover a key role for the biological clock in asthma

For hundreds of years, people have observed that asthma severity often worsens in the nighttime. One longstanding question has been to what degree the body's internal circadian clock - as opposed to behaviors, such as sleep and physical activities - contributes to worsening of asthma severity.

6 Sep 2021

Can COVID-19 vaccines affect athletic performance in the short term?

Getting the COVID-19 vaccine — especially the second shot — can produce minor side effects such as aches and fever that tend to go away after a day or two. Adding to the list, a small study from the University of Arizona found that people may find it slightly challenging to exercise after getting a two-dose coronavirus vaccine.

3 Sep 2021

FDA approves drug-free stroke rehabilitation system to treat upper extremity motor deficits

The U.S. Food and Drug Administration today approved the MicroTransponder Vivistim Paired VNS System (Vivistim System), a first-of-its-kind, drug-free rehabilitation system intended to treat moderate to severe upper extremity motor deficits associated with chronic ischemic stroke—a stroke caused by a blockage of blood flow to the brain with long-lasting symptoms—using vagus nerve stimulation (VNS).

27 Aug 2021

Aerobic exercise combined with tDCS improves the gait of Parkinson's patients

Transcranial direct current stimulation (tDCS) can increase the benefits of aerobic exercise and improve the gait of patients with Parkinson's disease immediately after a session. Step time variability decreases, reaction time shortens, and executive control of gait is enhanced.

25 Aug 2021

Exercise reduces severity of symptoms in patients with atrial fibrillation

A six-month exercise programme helps maintain normal heart rhythm and reduces the severity of symptoms in patients with atrial fibrillation, according to late breaking research presented at ESC Congress 2021.

23 Aug 2021

Isometric resistance training could have a strong effect on reducing blood pressure

When was the last time you had your blood pressure checked? High blood pressure affects 1.13 billion people around the globe and in 2019, it accounted for 10.8 million deaths.

20 Aug 2021

New, soft and stretchable sweat-powered battery developed for use in wearable electronics

Scientists from Nanyang Technological University, Singapore (NTU Singapore) have developed a soft and stretchable battery that is powered by human perspiration.

16 Aug 2021

Study tracks microbial population dynamics under prolonged starvation

A study of microbial populations under a prolonged period of starvation by Indiana University professor Jay T. Lennon and his laboratory could help researchers answer questions pertaining to chronic infections, the functioning of bacteria in the environment and the persistence of life itself.

14 Aug 2021

Mobile apps can help promote physical activity during COVID-19 lockdown

Gyms and sporting clubs might close, and lockdown conditions make it difficult to exercise, but people are urged to take the next step and download fitness apps to keep moving.

5 Aug 2021

KHN’s ‘What the Health?’: Hot covid summer

Predictions of a "hot vax summer" that would let Americans who had their covid immunizations celebrate the waning of the pandemic are turning out to have been premature.

29 Jul 2021

Olympic dream dashed after bike crash and nightmare medical bill over $200k

It was a race in Pennsylvania that could have sent cyclist Phil Gaimon to the Tokyo Olympics; instead, a serious crash landed the Californian in two hospitals on the East Coast.

29 Jul 2021

Antibacterial immunity may change in the intestines based on circadian cycle

The body's ability to prevent food poisoning by producing a natural antimicrobial compound increases during the day, when exposure to noxious bacteria is most likely, a new study by UT Southwestern scientists suggests.

28 Jul 2021

Scientists design a tougher, safer bicycle helmet using a combination of materials

As cities worldwide expand their networks of cycling paths and more cyclists take to the streets, the chances of cycling accidents and potential collisions increase as well, underscoring the need for proper cycling safety in dense urban areas.

23 Jul 2021

Research shows the effect of physical activity on bowel cancer cell growth

New research presented at The Physiological Society's Annual Conference Physiology 2021 shows that molecules released into the bloodstream during exercise (such as small proteins) can act directly on bowel cancer cells to slow down their growth.

15 Jul 2021

Research provides an update on how electrical impulses in the heart travel from cell to cell

The rhythm in a working heart is regulated by electrical impulses. Disturbances of this bioelectrical process can result in cardiac arrhythmias, or irregularities in heartbeat -- a common ailment that can lead to illness and death.

13 Jul 2021

Hematopoietic stem cells take advantage of 'junk' RNA to replenish the blood system

Chemotherapy is widely used to treat cancer patients. During the treatment, chemotherapeutic agents affect various biochemical processes to kill or reduce the growth of cancer cells, which divide uncontrollably in patients.

12 Jul 2021

Athletes more likely to experience irregular heart rhythms than non-athletes

Athletes appear to be almost two and half times more likely than non-athletes to experience irregular heart rhythms, suggests new research published in the British Journal of Sports Medicine.

12 Jul 2021

Insight into the impact of physical activity on sleep

In this interview, News-Medical speaks to Professor Emmanuel Stamatakis about the health problems linked to poor sleep.

8 Jul 2021

Falls are the most frequent causes of traumatic brain injury in older adults, shows study

The study is the first on epidemiology and causes of traumatic brain injury in over 20 years. The research team reports in the journal BMJ Open of 4 June 2021.

6 Jul 2021