Insights from our specialists, treatment updates, clinic news and patient recommendations.

Aarhus University study: men who go to bed before 10:30 PM are 4 times more likely to have high sperm quality — sleep loss makes the immune system attack sperm cells.

Columbia University has developed a method for creating hair follicles with a 3D printer using collagen and dendritic precursor cells.

The Veillonella bacterium in athletes' microflora converts lactic acid into propionate, boosting physical performance — the discovery could become the basis for a probiotic.

Houston Methodist: a Bluetooth-controlled nanochannel implant delivers medications for arthritis, diabetes and hypertension without pumps — up to a year between refills.

University of Bern: at extreme temperatures the body spends resources on thermoregulation instead of dreaming — the key lies in melanin-concentrating hormone neurons.

A 10-year analysis of 25,000 men: the Mediterranean diet and fruit-derived flavonoids reduce the risk of erectile dysfunction by 14%.

University of Arizona: tinnitus is caused by inflammation in the brain's auditory cortex — blocking the TNF-alpha molecule cleared the ringing in rodents.

Scientists discovered that the bacterium Corynebacterium mastitidis on the eye's surface protects against Candida albicans and Pseudomonas aeruginosa.

Analysis of 900 diseases: high iron levels protect against anemia but raise the risk of diabetes, liver disease, and skin infections.

McGill University Health Centre: fibromyalgia may be linked to changes in 20 types of gut bacteria — a potential future diagnosis and treatment via microflora.

Harvard: a new painkiller built from pufferfish toxin (tetrodotoxin) paired with a biodegradable polymer blocks nerves for up to three days without causing dependence.

Northwestern University and NYU: a surge in brain energy consumption at age 5 is linked to slower weight gain — the brain determines a person's weight.