Jean Thompson

King Charles III will have a procedure to address an enlarged prostate at a hospital next week. The 75-year-old British monarch’s diagnosis is common among men his age, and experts say that typical treatments are not dangerous.An enlarged prostate, known also as benign prostatic hyperplasia, or BPH, is a noncancerous condition that occurs frequently among older men. By age 60, more than half of men have at least mild BPH symptoms, which include difficulty urinating and a sense of urgency to urinate. But often the symptoms are not severe enough to require treatment.The condition is analogous to menopause in women,…

There is a problem with the recently approved Alzheimer’s drug, Aduhelm. It can remove some of the amyloid that forms brain plaques that are hallmarks of the disease. But most of the drug is wasted because it hits an obstacle, the blood-brain barrier, that protects the brain from toxins and infections but also prevents many drugs from entering.Researchers wondered if they could improve that grim result by trying something different: they would open the blood-brain barrier for a short time while they delivered the drug. Their experimental method was to use highly focused pulses of ultrasound along with tiny gas…