Kerri De Nies plays with her son, Gregory Mac Phee at their home in San Diego. Gregory tested positive for adrenoleukodystrophy, a rare brain disorder that affects 1 in about 18,000 babies. About 30 percent of boys with the genetic mutation go on to develop the most serious form of the disease.
Hepatitis C virus, via transmission electron microscopy. (The actual viral diameter is around 22 nm.) Doctors say the recent FDA approval of Mavyret, a less expensive drug for treating the virus, may make it easier for more insurers and correctional facilities to expand treatment.
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Alzheimer's disease causes atrophy of brain tissue. The discovery that lymph vessels near the brain's surface help remove waste suggests glitches in the lymph system might be involved in Alzheimer's and a variety of other brain diseases.
Alfred Pasieka/Science Source
According to Food and Drug Administration regulations, abortion pill Mifeprex can only be dispensed at a medical facility under the care of a certified provider. The ACLU and many abortion rights advocates want it to be available at pharmacies.
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Senate Finance Committee Chairman Orrin Hatch, R-Utah, center, and ranking member Ron Wyden, D-Ore., have a plan to renew funding for the Children's Health Insurance Program, which lapsed Sept. 30.
People line up to donate blood at a special United Blood Services drive at a University Medical Center facility to help victims of the mass shooting Sunday in Las Vegas.
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