The U. S. Preventive Services Task Force has a clear recommendation. They suggest that adults aged 50 to 80, who have smoked heavily in the past or currently smoke, should get an annual lung cancer screening. This screening is done using a low-dose computed tomography (LDCT) scan. It is a simple and effective way to catch lung cancer early. However, there is a group...

Meningococcal disease, caused by bacteria called Neisseria meningitidis, is a big deal. It's severe and can even be life-threatening. There are vaccines that protect against this, including ones that target the most common types like MenA, MenC, and MenW. These vaccines come in different forms, like the ones made with proteins or pieces of the bacteria's outer layer....