U.S. doctors online nowAsk doctors free
A 31-year-old male asked:

Is the blue light from led computer screens different than the blue light used in studies that shows it can boost cognitive performance?

1 doctor answer1 doctor weighed in
Dr. Gerald Mandell
Nuclear Medicine 53 years experience
Both blue lites: Scientists have known that blue light(bl) inhibits secretion of melatonin in brain, which calms our minds and dulls cognitive function.Experts recommend turning off computer before bed, illumination from led-backlit devices prevent brains from shutting down.In many studies, blue light has been proven to iincrease alertness, learning ability, working memory.In study effect of bl better than caffeine.

Related questions

A 50-year-old member asked:
Could staring at a computer screen to long effect my vision?
1 doctor answer2 doctors weighed in
A 38-year-old member asked:
What are the effects of staring at a computer screen 15 hours a day?
1 doctor answer1 doctor weighed in
A 22-year-old female asked about a male:
Does spending your whole day looking at computer screen make you wear glasses?
1 doctor answer3 doctors weighed in
Last updated May 23, 2021

People also asked

Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $39!
50% off with $15/month membership


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.