hey I'm 23 years old recently I underwent unintentional weight loss worst mood swings i became underweight recently and it maintains and my recent period got so much lighter and followed up with heavy hair loss and recently everyone noticed that I have lost so much weight I'm on my supplements and doing exercise what else should i do? i can't take blood test rn but i have to gain weight is there any possible ideas ? it would be awesome if you leave your ideas here