Health & Wellbeing

A long-term observational study is reporting a link between short sleep durations in midlife and increased risk of dementia in old age. The research cannot offer evidence of a causal link but it is one of the longest studies to detect this association.

A new meta-analysis has reviewed over 400 clinical trials investigating the efficacy of various psychological interventions on mental well-being in an attempt to empirically categorize the most effective tactics to improve one’s well-being.

UK researchers are set to re-infect a cohort of recovered COVID-19 patients to study how the immune system responds to a second encounter with SARS-CoV-2. This trial expands on an ongoing study infecting healthy subjects to test vaccine efficacy.

A review article has presented 10 key scientific reasons why the virus that causes COVID-19 is predominantly spread though the air. The research adds to a growing chorus of experts saying the evidence for airborne transmission is “overwhelming”.

A unique study, published in the journal Science Advances, is suggesting antihistamines can blunt some of the beneficial effects of exercise. The research found histamine functioning may be vital to both the short and long-term benefits of exercise.

A new study reviewing a decade's worth of literature has added to our understanding of high-intensity interval training, showing how these short bouts can offer comparable benefits to longer sessions of moderate or vigorous exercise.

New research is offering insights into the relationship between diet, gut bacteria, and intestinal inflammation. The study found consistent associations between pro-inflammatory bacterial species and diets high in fast food, sugar and animal products.

How long is a person’s ability to safely drive impaired after consuming cannabis? A meta-analysis suggests intoxication spans anywhere from three to 10 hours, raising questions over some roadside tests detecting traces of THC days after consumption.

A new study has found a strong relationship between bacterial imbalances in the oral microbiome and a key biomarker of Alzheimer’s. This new research focuses on the link between amyloid levels and different oral bacteria species in healthy older adults.

Healthy habits around diet and exercise are a good idea at any time, but a new study has emphasized the importance of forming them early in life, demonstrating in mice that they can lead to increased brain mass and lower levels of anxiety as adults.

A striking new study testing a number of over-the-counter weight loss and sports supplements has found they contain many combinations of stimulants that have either previously been prohibited by the FDA or never approved for human consumption.

Although cochlear implants do allow some deaf people to hear again, adjusting the devices to individual users can be challenging. An experimental new implant is designed to help in that regard, by reading the user's brain waves.