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People about to have surgery must tell their health care providers about all supplements they take.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

The path of sound waves through the outer, middle, and inner ear. The path of sound waves through the outer, middle, and inner ear.
Gastric cancer. In advanced stages of gastric cancer, malignant cells spread to form tumors in the l Gastric cancer. In advanced stages of gastric cancer, malignant cells spread to form tumors in the l
Pulsars are highly magnetized, rotating neutron stars that emit a beam of electromagnetic radiation. Pulsars are highly magnetized, rotating neutron stars that emit a beam of electromagnetic radiation.
Electromagnetic Radiation Chart Electromagnetic Radiation Chart
Radiation Quantity and Quality Radiation Quantity and Quality
Processes of the Middle and Upper Troposphere: Rossby Waves and Vorticity Processes of the Middle and Upper Troposphere: Rossby Waves and Vorticity
Video: Secondary and tertiary levels of protein structure Animation

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