Lung cancer
Learn about the symptoms, diagnosis and treatment for this deadly form of cancer.
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First Aid
Lung cancer screening
Doctors recommend lung CT scans to look for signs of lung cancer in current and…
繼續閱讀Lung nodules: Can they be cancerous?
Lung nodules are common. Most aren't cancer. Find out what tests might be recommended if…
繼續閱讀Lung transplant
Learn what's involved in this major surgery that replaces a diseased or failing lung with…
繼續閱讀Lung volume reduction surgery
Lung volume reduction surgery helps some people with severe emphysema breathe easier. Diseased lung tissue…
繼續閱讀Lupus nephritis
Learn about this common effect of lupus on the kidneys, including symptoms to watch for,…
繼續閱讀Lyme disease
Learn about the symptoms, diagnosis and treatment of this common tick-borne illness.
繼續閱讀Lymphocytosis (high lymphocyte count)
A brief increase in certain white blood cells, called lymphocytes, is typical after an infection….
繼續閱讀Lynch syndrome
Learn about this condition that passes from parents to children, raising the risk of colon…
繼續閱讀Magic mouthwash: Effective for chemotherapy mouth sores?
Find out what ingredients pharmacists use for this treatment for mouth sores caused by chemotherapy…
繼續閱讀Magnetic resonance elastography
This newer, noninvasive imaging test is used to find out how serious certain liver diseases…
繼續閱讀Magnetoencephalography
Learn how magnetoencephalography helps your care team locate key structures in your brain and plan…
繼續閱讀Male breast cancer
Breast cancer can affect anyone. Learn about the signs and symptoms of this cancer. Treatment…
繼續閱讀Male depression: Understanding the issues
Men may cope with depression in unhealthy ways. Depression in men often is not diagnosed…
繼續閱讀Male hypogonadism
This condition affects being able to make enough of the hormone testosterone or enough sperm…
繼續閱讀Male infertility
Male infertility often plays a role when couples have trouble conceiving. Find out what causes…
繼續閱讀Male masturbation: Does frequency affect male fertility?
Male masturbation has little effect on sperm count or quality.
繼續閱讀Male menopause: Myth or reality?
Male menopause is a catchy phrase, but it isn't accurate. Here's why.
繼續閱讀Malignant hyperthermia
This rare genetic disorder triggers a severe reaction to certain anesthesia drugs, causing rigid muscles,…
繼續閱讀Malignant peripheral nerve sheath tumors (MPNST)
These cancers form in the linings of nerves. Treatment includes surgery, radiation therapy and, sometimes,…
繼續閱讀Mammary duct ectasia
Mammary duct ectasia is a noncancerous breast condition that affects the milk ducts. Learn the…
繼續閱讀Mammogram guidelines: What are they?
Latest Mayo Clinic mammogram guidelines for breast cancer screening.
繼續閱讀Mantle cell lymphoma
Find out more about the symptoms, diagnosis and treatment of this type of non-Hodgkin lymphoma.
繼續閱讀MAOIs and diet: Is it necessary to restrict tyramine?
A low-tyramine diet is important for anyone taking MAOIs.
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