GLP-1 drugs were developed for diabetes and are now used for weight loss, but in clinical trials they show promise for curbing drug and alcohol use. Dhruv Khullar reports on their growing reputation ...

Cannabis drug tests measure tetrahydrocannabinol (THC) and its metabolites, which can stay in your body long after the “high” fades. Detection ranges from hours in blood or saliva to weeks or months ...

The 401(k) contribution limit rises to $24,500 in 2026; higher contribution limits are available if you're 50 or older. Many employer-sponsored retirement plans match part of your contributions.