60 yrs , male , regularly ( once a day ) taking tab , for lowering bp , which is in the range of 140/110 to 130/100 . half an hr walk daily . no liquor/cig . no junk food , typical south indian ordinary food , no other problems . usually takes pain killers atleast 3-4 times a week for head ache . my son aged 30 yrs , well built , is having 100/60 is it a problem