Medical News Today


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

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Dentistry
What is a diastema?
A diastema is a gap between teeth. It is not harmful and does not often require treatment, but a person may pursue it for cosmetic reasons. Learn more here.
What to know about crown lengthening
Crown lengthening is a procedure to remove excess gum tissue for medical or cosmetic reasons. Learn about this surgery, including methods and recovery, here.


Ear, Nose, and Throat
What to know about Brandt-Daroff exercises
Brandt-Daroff exercises are movements that could help people recover from the symptoms of vertigo. Learn how to do them, how they work, and more here.


Fertility
What to know about sperm
Sperm are male reproductive cells that are one-half responsible for creating life. Read on to discover some facts about sperm and male fertility.
What can cause a short period?
Sometimes a short period is normal. However, it can be an indication of a medical condition. Learn more about the potential causes of a short period.


Heart Disease
Irregular sleep may increase risk of cardiovascular problems
Research reveals an association between irregular sleep patterns and a higher risk of experiencing cardiovascular events for older adults.


Mental Health
What happens when you mix weed and alcohol?
People often use alcohol and weed together. Combining them may intensify the adverse effects and increase the risk of long-term health issues. Learn more here.


Public Health
What is the Medicare donut hole?
The donut hole describes a break in prescription drug cover for people with Medicare Part D that occurs once people reach their spending limit. We explain the donut hole and what it means for coverage.