Can a 14 year old have memory loss, e.g. dementia?

Something is definitely going on, but I doubt it's dementia. It's imperative that you see a qualified medical provider right away for evaluation of your severe headaches, the episodes of passing out, and the light sensitivities. read more

Yes and no. Dementia in a 14 year old is so rare that you could win the jackpot, lose all your money, then win it again. I.e it almost never ever happens. You either don't pay much attention(ADHD is notorious for this). Or you have some mild amnesia. In any event, quora is not a doctor. So go see a doctor. read more

Severe dehydration can cause confusion, drowsiness, memory loss, and other symptoms that look like dementia. It’s important to stay hydrated (aim for 6-8 drinks per day). Be particularly vigilant if you take diuretics or laxatives or suffer from diabetes, high blood sugar, or diarrhea. read more

Scientists are working to develop new drugs that someday may slow, reverse, or prevent the damage caused by Alzheimer's disease and multi infarct dementia. In the meantime, people who have no dementia symptoms can try to keep their memory sharp. read more

Dementia is a degenerative and progressive disease which can affect all areas of mental and physical functions, not just memory. Diagnosis before the age of 65 is considered as early onset. For Isobel it has meant learning difficulties, impaired memory and sensory processing problems. read more