Ask the Doc - Peter Galvin, MD

ACL

The anterior cruciate ligament, or ACL, along with the posterior cruciate ligament, or PCL, is vital to maintaining the stability of the knee joint. Because of the nature of forces at the knee, tears, or rupture, of the ACL are common while PCL tears are rare. ACL...

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Don’t Laugh

Nitrous oxide, commonly known as laughing gas, is composed of nitrogen and oxygen and is colorless, odorless, inexpensive, and relatively easy to obtain. Misuse of nitrous oxide, which has increased markedly in the U.S. and worldwide among teens and young adults over...

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Nuts!

In case you are wondering, I am not quoting Gen. McAuliffe’s famous reply to a German surrender request to the surrounded 101st Airborne at Bastogne in December 1944. I am referring to peanut allergy, a leading cause of food allergy worldwide that affects about 2% of...

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Fatty

Metabolic dysfunction-associated steatotic liver disease (MASLD) involves accumulation of fat in the liver and may progress to liver inflammation and scarring (fibrosis). MASLD is the most common chronic liver disease worldwide. It affects 30% to 40% of adults in the...

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Endometrial Cancer

Endometrial cancer is a malignancy involving the lining of the uterus. It accounts for 95% of uterine cancers, which are the fourth most common cancer in women in the U.S. About one in 323 women in the U.S. will develop endometrial cancer in their lifetimes.

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Type II

Not too long ago, this column covered type I diabetes. Today, we will be looking at the much more common type II diabetes, which affects about 14% of the population worldwide and about one in six adults in the U.S. In type I diabetes, the pancreas stops producing insulin altogether.

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Dizzy

Benign paroxysmal positional vertigo (BPPV) is a condition often seen in primary care practices. Basically, it is dizziness that is triggered by certain head movements such as lying down or rolling over in bed.

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Ovarian Cancer

By Peter Galvin, MD Ovarian cancer is a malignancy of the ovary, the female reproductive organ that produces eggs. Among women worldwide, ovarian cancer is the eighth most common malignancy and cause of cancer death. In 2022, ovarian cancer was diagnosed in about...

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Cast Off

An 87-year-old man went to the Emergency Department in a hospital in Beijing. He complained of difficulty breathing after having inhaled thick smoke from a forest fire for several hours.

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Adrenal Insufficiency

The adrenal glands, which sit atop of both kidneys, produce the hormone cortisol, which regulates blood glucose, blood pressure, stress response, immune function, and other metabolic functions, and aldosterone, which regulates blood sodium and potassium levels and helps maintain blood pressure and volume.

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2026 Summer Guide