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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Women are 50% to 75% more likely than men to experience an adverse drug reaction.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Multiple sclerosis (MS). (a) A disease characterized by the gradual development of small areas of ha Multiple sclerosis (MS). (a) A disease characterized by the gradual development of small areas of ha
Muscle length versus isometric force Muscle length versus isometric force
Testing muscle strength - Masseter muscles Testing muscle strength - Masseter muscles
Production of ATP in Skeletal Muscle Production of ATP in Skeletal Muscle
Pathway by which the nervous system controls skeletal muscle contraction Pathway by which the nervous system controls skeletal muscle contraction
Cardiac muscle Cardiac muscle
Video: Ventilation - phases and driving forces

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