Hi Doctor, I am 44 years old unmarried man. I am 128kg in weight and 5 feet 6 inches in height or 169cms. I get muscle cramps nowadays. My hip pains on standing for more than 10 minutes. I get hip waist pain on walking for 100 meters. I become breathless too. Unable to climb stairs. I have severe ED problem for the past 2 years.  I daily have medicine 💊 for High BP Concor 5mg and Abel 40mg. I have stator10mg daily. I have Montek AB and foracort 200mg for asthma. I have cetrizine 10mg daily for itching. I have Psychiatric medicine for Psychosomatic GERD Gressami 50mg and Quietegress 50mg daily for the past 2 years. I don't have GERD symptoms after taking Psychiatric medicine. I don't walk or do excercise. I watch only You Tube videos. Always seated or lying on the bed. I did blood test today. My Heamoglobin is low 11.7. My blood PCV is low 37.3, MCV is 82.7 low, mch 25.9 low, mchc 31.3 low. My fasting sugar is 107.2. HBa1c is 5.4. Creatinine is low 0.79. Why low?I am worried.