KSQD 12-06-2023: Advice for reducing gum disease; Guidelines for using statins in elderly women; Vigorous exercise can increase the risk of viral infections; 5 MTHFR can help treat depression if you have the appropriate gene variants; low folate levels can cause problems; Adequate vitamin D during pregnancy will improve the child’s neurological development; Dietary flavonoids help detoxify bad effects of smoking, including second-hand smoke; Low doses of oral naloxone can treat constipation caused by opiates; Do nootropics like adderall really improve cognitive skills? Toddler formulas are a silly idea; What prescription drugs affect my memory?