MNT daily newsletter - July 14, 2020

Welcome, here are Medical News Todayâs headlines for July 14, 2020.

Welcome to today's MNT newsletter, bringing you the most recent headlines and updated stories from our team of expert writers.

Stay informed with the latest developments in the current COVID-19 pandemic and our dedicated COVID-19 daily newsletter.

Allergy

What to know about eye irritation
The term eye irritation describes feelings of dryness, itchiness, pain, or grittiness in the eye. Many factors can cause eye irritation. Learn more here.

Back Pain

What to know about back cracking
The medical term for back cracking is crepitus. Professionals are unsure of what causes it. There may be benefits to crepitus, but there are also risks. Read more.

Depression

Serotonin deficiency: Symptoms and treatment
Learn about the causes and symptoms of serotonin deficiency here. We also discuss how to raise serotonin levels and how doctors test and diagnose low serotonin.

Endocrinology

What to know about ghrelin
Ghrelin is a hormone that regulates appetite. It also facilitates the function of the pituitary gland, controls insulin, and protects cardiovascular health.

Epilepsy

What to know about sleep myoclonus
Sleep myoclonus involves involuntary movement or muscle spasms during sleep or when falling asleep. Sleep myoclonus is a symptom of several health conditions. Learn more here.

Obesity / Weight Loss / Fitness

Everything you need to know about phentermine
Does phentermine help with weight loss? Read on to discover what the research says, how and when to use it, how much it costs, and if there are any risks.

Health Insurance / Medical Insurance

What are Medicare supplement companies?
Medigap is a Medicare supplement insurance policy, providing coverage for some medical expenses that Medicare does not cover. Plans may differ between states.

Neurology / Neuroscience

Racial stigmatization may change the brain
A new study suggests that the demotivating effect of racial stereotyping on a person's sense of motivation leads to changes in a certain brain region.

High pain tolerance: Causes, influences, and how to affect it
A personâs pain tolerance refers to how much pain they can reasonably handle. Some people have a very high pain tolerance. Learn more here.

Nutrition / Diet

How much weight can you safely lose in 1 month?
How much weight a person can lose in a month depends on their physical activity level and dietary habits, but a safe amount is between 4 and 8 pounds. Learn more here.

Public Health

Which homemade masks are most effective?
Scientists have used laser visualizations to test which type of homemade face mask is best at blocking the transmission of airborne respiratory droplets.

Sleep / Sleep Disorders / Insomnia

Mandibular advancement device: What to know
A mandibular advancement device (MAD) is a solution for snoring and sleep apnea. It is also sometimes called a mandibular repositioning device (MRD). Learn more here.