Prepare for a blood test by fasting if required, staying hydrated, avoiding strenuous exercise, and staying relaxed to ensure accurate results.

Blood tests are vital for athletes to monitor health and performance, assessing key indicators such as nutrient levels, hydration status, and markers of muscle damage.

Blood tests diagnose autoimmune diseases by measuring markers like autoantibodies, inflammatory substances, and specific organ function indicators, guiding targeted treatment plans.

Recent innovations in blood testing include mobile apps and portable devices that allow users to conduct tests and receive results on their smartphones, enhancing convenience and accessibility.