By adding the hops only a few days before bottling, you get the freshest hop aroma throughout your beer without much loss of taste.Another method is to add the hops to the secondary 2 weeks prior to bottling.
Psychological problems such as dementia, paranoia, depression, and behavioral problems can result from a vitamin B-12 deficiency. Neurological damage sometimes cannot be reversed. Vitamin B-12 deficiency may cause the following symptoms: tingling in the feet and hands.
Vitamin B1 (thiamine) deficiency. Beriberi is a disease whose symptoms include weight loss, body weakness and pain, brain damage, irregular heart rate, heart failure, and death if left untreated.