An influential government task force issues new advice about low-dose aspirin. Plus, a study finds that people with natural immunity to Covid-19 don’t have it for very long. And finally, safe sex is still important--a quarter of people with STDs don’t tell their partners.
A federal task force says far more smokers and former smokers should be eligible for free CT scans to screen for lung cancer. Then, a single head injury could result in dementia decades later. Then, Women with heart disease do a lot better when they’re treated by women doctors. And finally, if you want to cut your risk of diabetes… eat breakfast early.