Recently Answered
- Q Where do the stem cells for research and therapy come from?
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There are two main sources of stem cells: embryonic stem cells and adult stem cells. Some clinical trials for heart disease use adult stem cells, which are found in bone marrow, fat and other tissues. Stem cells taken from a person’s own body... Full Answer
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- Q What are stem cells?
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Dr. Michael Roizen, Internal MedicineOne of the hottest political issues of the last few years has revolved around stem cell research. Stem cells are the initial cell that all other cells can be made from-they have multiple potentials: a stem cell can turn into a heart cell or a brain cell... Full Answer
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- Q What are cytokines?
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Dr. Henry Lodge, Internal MedicineThe proteins that control inflammation are called cytokines, and they regulate every aspect of your biology. Cytokines are messenger molecules. They turn on or off virtually all the metabolic pathways in each tissue and cell in your body. Each... Full Answer
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- Q When should I call my doctor if I have cystic fibrosis?
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It is important to diagnose and treat cystic fibrosis early. Call your doctor if your child: Has frequent lung infections ( pneumonia ), colds, an ongoing cough, shortness of breath, or wheezing. Coughs up mucus that contains blood. Does not gain... Full Answer
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- Q When should I call my doctor if my child has cystic fibrosis?
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It is important to diagnose and treat cystic fibrosis early. Call your doctor if your child: Has frequent lung infections (pneumonia), colds, an ongoing cough, shortness of breath, or wheezing. Coughs up mucus that contains blood. Does not gain or... Full Answer
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- Q Are the mechanisms that evolved to protect our species harmful?
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Dr. Dean Ornish, Internal MedicineYou are living in a world to which your mind and body have not yet had time to adapt. The human body evolved a number of exquisitely complex mechanisms that were designed to help the species survive. But evolution of the body is a gradual process, one... Full Answer
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- Q What do mitochondria do?
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The mitochondrion is a specialized organelle found in most eukaryotic cells (cells that contain a nucleus). The mitochondrion is often referred to the cells power house. It’s essential for human existence; it’s involved in the many cell... Full Answer
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- Q What is a lung transplant like for someone with cystic fibrosis?
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Dr. Mehmet Oz, CardiologyPeople with cystic fibrosis sometimes end up needing a lung transplant. In this video, Dr. Oz interviews a patient who needed a new set of lungs and the surgeon who performed her life-changing transplant surgery. Full Answer
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- Q How is a baby's gender established?
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The female ova (egg) gamete is homogametic, in other words, all the cells carry the same X sex chromosome. However the male sperm gamete is heterogametic because approximately half of them contain the X chromosome and approximately half of them... Full Answer
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- Q What is Turcot syndrome?
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Turcot syndrome is a rare inherited condition in which people are at increased risk of adenomatous polyps and colorectal cancer, as well as brain tumors. There are actually 2 types of Turcot syndrome: a. One can be caused by gene changes similar to those... Full Answer
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