This condition is a swelling of the thyroid gland, a gland in the neck that produces hormones to regulate metabolism, heart rate, blood pressure, and body temperature. Goiters occur most commonly in women over the age of 40. A goiter is not the same as thyroid cancer.

This is a disorder of the immune system. It affects the thyroid. That's a hormone-producing gland in your neck. Your thyroid makes hormones that help control many activities in your body. Graves' disease causes your thyroid to make more thyroid hormone than your body needs. We call that "hyperthyroidism."

This is a disorder of the immune system. It affects the thyroid. That's a hormone-producing gland in your neck. The thyroid makes hormones that help control many activities in your body. Hashimoto's disease damages your thyroid and keeps it from making enough thyroid hormone for your body's needs. We call that "hypothyroidism."

This is a problem with your thyroid. That's a hormone-producing gland in your neck. The thyroid makes hormones that help control many activities in your body. These hormones affect things like your metabolism and heart rate. With hyperthyroidism, your thyroid makes more hormones than your body needs.

This is a problem with your thyroid. That's a hormone-producing gland in your neck. The thyroid makes hormones that help control many activities in your body. These hormones affect things like your metabolism and heart rate. With hypothyroidism, your thyroid does not make enough hormones to meet your body's needs.

For many couples, male infertility interrupts plans to have children. What causes male infertility? Well, there are many reasons.

This natural biological process is the permanent end of fertility. Menopause is the time when the ovaries stop producing hormones at the levels needed to allow sexual reproduction. It typically occurs around age 51.

As you get older, your bones may get weaker. This is called "osteoporosis." Weak bones are more likely to break. Osteoporosis can be a problem for anyone, but it is more common in women.

Staying fit is a challenge for many people. Carrying too much body fat is bad for your health. Being "overweight" means you weigh more than what we consider normal for your body type. If you keep gaining weight, you may become "obese." Let's take a few minutes to learn about weight and your health.

Your pituitary gland is found just under your brain. This pea-sized gland makes hormones that affect many of your body's functions. A pituitary tumor can cause it to release too much or too little of these hormones. This can cause serious problems.

This is a hormonal disorder. We call it "PCOS." It affects some women and girls of reproductive age. Often, it begins around the time a girl gets her first period. But for some women, it develops later.

This is an abnormal growth of cells in your thyroid, a butterfly-shaped gland. Your thyroid is located in the base of your neck. The hormones it produces help regulate your metabolism, heart rate, blood pressure and body temperature.

This is a growth of cells in your thyroid. The thyroid is a hormone-producing gland in your neck. It makes hormones that help control many activities in your body. A thyroid nodule can interfere with your thyroid's function.

This imaging method lets us view your thyroid. That's a large gland in your neck. With ultrasound, we can see many issues with this gland. And if we need a tissue sample of your thyroid, we may use ultrasound to guide a needle to the area we want to sample.

This pair of glands is found in your abdomen. We also call them the "suprarenal" glands, because they sit on top of the kidneys. But what do they do, exactly? Let's take a look at your adrenal glands.

An endocrinologist is a doctor who specializes in diseases that affect your endocrine system. These are the glands and organs that make hormones. Your hormones are chemicals that tell all of your body's systems how to function. Diseases that interfere with your hormones can have serious effects.

Your pancreas is both an organ and a gland. It's found in your abdomen behind your stomach. But what does the pancreas do, exactly? Let's take a moment to learn more about it.

Your pineal gland (we also call it the "pineal body") is found deep in your brain. It sits between the brain's two halves.

Your pituitary is a tiny gland deep inside your head. Despite its small size, it plays a big role. It controls many other glands in your body. We often call it the "master gland."

Your thyroid is a gland at the base of your neck. But what does the thyroid do, exactly? Let's take a moment to learn more about it.