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Amid concerns about Biden’s mental acuity, experts reveal how cognitive tests work and what they reveal

Stiff person syndrome patients share what it’s like to live with the rare disease

Men with spinal cord injuries become fathers thanks to rare fertility treatment at Miami clinic

Alzheimer’s blood test achieves faster diagnoses, high accuracy at Mayo Clinic

COVID vaccine companies told to focus on KP.2 variant for fall shots, per FDA announcement

Artificial intelligence, proven at NASA and in neurosurgery, could remake childhood education, says tech exec

Olympic athletes use diabetes glucose monitors to hone performance, training

Nebraska baby born with cataracts has 3 eye surgeries to save her sight: ‘I just kept praying’

Short questions with Dana Perino for Dr. Janette Nesheiwat

AI can now simulate dead loved ones, but effects on grieving process are unknown