I have high metabolism and i'm desperately trying to gain at least a fair amount of weight, any suggestions? i am 167cm and weigh 66.6kg

To gain weight: Failure to gain weight should be evaluated by a physician. Metabolic blood test may be obtained. High protein frequent meals may be tried

BMI: Your BMI (body mass index- assessment of weight status) is normal- 23.9. You are also growing, so just continue your current diet eat vegetables ,greens, fruits, protein-and avoid fried foods fatty foods ,and exercise as setting a pattern for the future is important You are OK. Please discuss your concerns with your doctor