News

October 28

Nose Strips and Exercise: What a 19-Study Meta-Analysis Found About Breathing, Effort and Performance

A systematic review of 19 trials asked whether external nasal strips change oxygen uptake, heart rate or perceived effort during exercise...

October 27

A small 2012 study of 20 female athletes explored whether nightly red-light sessions relate to sleep quality and melatonin. Here is what ...

October 26

A 2019 meta-analysis links a warm shower or bath 1–2 hours before bed to falling asleep faster. What it found, why it may work, and its l...

October 25

Does mint really open your nose? A 42-child crossover trial found menthol changed how breathing felt, not measured airflow.

October 24

A placebo-controlled study found 400 mg of caffeine even 6 hours before bed cut sleep time. Here is what it means for your morning routine.

October 23

Crossing time zones? A Cochrane review of 10 trials looked at whether melatonin eases jet lag. Here is what it found, and what it did not.

October 22

Do firmer bristles really clean better? A 2019 systematic review of 13 controlled studies looked at bristle stiffness and gum lesions.

October 21

Ordinary room light before bed delayed melatonin onset in a study of 116 adults. Here is what the research shows and how to dim your even...

October 20

A small sleep-lab study found eye masks plus earplugs were linked to more REM sleep and higher melatonin in a bright, noisy setting. Here...