Are seed oils really that bad? Is it preferable to use beef tallow for frying? Are memory supplements effective? EPA begins review of fluoride in drinking water; FDA issues recall over contaminated supplements; A high lp(a) may call for preventive aspirin use; Arthritis breakthrough as scientists discover way of regenerating joint cartilage; Surprising new findings on coffee, tea consumption, and osteoporosis risk; Skipping breakfast, late dinners may boost fracture risk.