Dental Health Archive

A persistent salty taste in your mouth may stem from saliva changes, medications, dehydration, sinus issues, or reflux. It warrants a closer look.

A red, tender tongue may stem from irritants, an infection, or vitamin shortages. Simple changes and a doctor’s exam can help pinpoint the cause.

From cookware to deodorant, aluminum is everywhere. Most people clear it efficiently from their bodies.

Regular blood donations can sometimes lead to low iron levels and anemia. Learn why it happens, who's at risk, and when to pause giving blood.

Television portrayals of hands-only cardiopulmonary resuscitation (CPR) aren't always accurate, according to a 2026 analysis. Inaccurate depictions involved the age of CPR recipients, how CPR was done and the location of where it was performed.

Although rare, emojis are now beginning to appear in electronic medical records sent to patients. People who are unsure about the meaning of any such messages should ask for clarification.

Motion sickness is tricky to treat. Gadgets such as wristbands and special glasses may help, but their reported benefits may be due to the placebo effect. Several drugs, including a new one that curbs vomiting, are available.

For people with high blood pressure, practicing slow, deep breathing for 15 minutes a day can potentially lower blood pressure. Helpful techniques include 4-7-8 breathing, box breathing, and belly breathing. Devices to guide breathing exercises may also be useful.

Edema is swelling caused by fluid trapped in body tissues. It can occur in anyone, but it’s more common in older adults. A variety of factors contribute to mild edema, including weakened valves in veins, gravity, inactivity, arthritis, and certain medications.

Retainers have benefits beyond keeping a nice smile after braces, aligners, or other orthodontic treatment. The appliances help maintain teeth alignment, protecting them from extra wear and tear. Several types of retainers can help. The choice depends on a person's needs and habits.