肝功能檢查
Liver function tests can help determine how well your liver is doing its job. Find…
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Diseases & Conditions
Liver hemangioma
This noncancerous liver mass usually doesn't need treatment. Find out more about this common liver…
繼續閱讀Liver transplant
Learn what to expect before and after this important treatment option for people with liver…
繼續閱讀Living-donor kidney transplant
Find out more about living-donor kidney transplant, an option instead of deceased-donor kidney transplant.
繼續閱讀Living-donor liver transplant
Learn about this surgery that uses a portion of a liver from a healthy living…
繼續閱讀Living-donor transplant
This surgery uses a living donor's organ, such as a kidney or portion of a…
繼續閱讀Living wills and advance directives for medical decisions
Living wills and other advance directives describe your treatment preferences in end-of-life situations when you…
繼續閱讀Lobular carcinoma in situ (LCIS)
If a breast biopsy reveals you have LCIS, your risk of breast cancer is increased….
繼續閱讀Locomotor training for spinal cord injury
Learn what's involved with this therapy designed to improve movement and mobility after a spinal…
繼續閱讀Long COVID: Lasting effects of COVID-19
COVID-19 can have lasting symptoms that affect many parts of the body. Learn more about…
繼續閱讀Long QT syndrome
Learn more about the causes and treatment of this heart rhythm disorder that can cause…
繼續閱讀Loss of sex drive in men: Natural with aging?
Age-related loss of sex drive is normal, but sometimes an underlying condition is at play.
繼續閱讀Loss of smell (anosmia)
A stuffy nose is one cause of this symptom. Learn about other causes and when…
繼續閱讀Loss of taste and smell: Natural with aging?
Aging can play a role in the loss of taste and smell — but not…
繼續閱讀Low amniotic fluid: Can it be treated?
Delivery, amnioinfusion and drinking more fluids might be recommended when amniotic fluid is found to…
繼續閱讀Low blood cell counts: Side effects of cancer treatment
Find out why your doctor tests your blood during cancer treatment and what signs and…
繼續閱讀Low blood oxygen (hypoxemia)
Learn causes of low blood oxygen and find out when to call your doctor.
繼續閱讀Low blood pressure (hypotension)
This condition isn't always a concern. But sometimes it can cause dizziness and fainting or…
繼續閱讀Low blood sodium in older adults: A concern?
For older adults, low blood sodium, known as hyponatremia, can cause death if left untreated.
繼續閱讀Low-carb diet: Can it help you lose weight?
Find out about low-carb diets, from what foods to limit to potential health benefits.
繼續閱讀Low-fiber diet do's and don'ts
Learn which foods are allowed and which foods to avoid on a low-fiber diet.
繼續閱讀Low-glycemic index diet: What's behind the claims?
Find out about the low-glycemic index diet — an eating plan based on how food…
繼續閱讀Low-phosphorus diet: Helpful for kidney disease?
If you have kidney disease, you may need to limit the amount of this mineral…
繼續閱讀Low potassium (hypokalemia)
Certain prescription medicines, vomiting and diarrhea are just some of the causes of low potassium.
繼續閱讀Low sex drive in women
Many women have dips in sexual desire at some point. But you can get your…
繼續閱讀Low sperm count
This health concern can make it challenging to start a pregnancy. Learn about possible causes…
繼續閱讀Low white blood cell count
Learn the causes of this decrease in disease-fighting cells in the blood.
繼續閱讀Lumbar puncture (spinal tap)
Learn about lumbar puncture, which removes a sample of cerebrospinal fluid to find infections, bleeding…
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