Millions of family caregivers manage complex diets for older relatives—often with little nutritional guidance

My first science experiment was in sixth grade for our county's science fair.

Over three months, I tested how my grandfather's blood sugar responded to green leafy vegetables versus brown rice at dinnertime.

My mom would prepare traditional South Indian meals, including those foods, and my dad would supervise as I measured and administered insulin and recorded my grandfather's blood sugar levels. ...