At-home testosterone test kits use a finger-prick blood sample, with results generally available within a week. Some companies also offer saliva-based tests, which are pain-free and easy to collect, ...

Mail-in stool kits such as Colorguard can detect warning signs, but gastroenterologists say a colonoscopy is still the most reliable way to prevent colon cancer.

Labcorp plans to offer Roche’s recently FDA-cleared blood test to assess early signs of Alzheimer’s disease and other causes ...

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