Bone problems, stomach pain, High BP.

My mother in law is 75years old she is inactive & dont perform day to day activities for the past 25+ years,she has pain in the neck front/back doctor gave calcium tablets not sure if she is taking them,she says calcium tablets aggravate stomach problems,severe stomach pain for the past 15years and high BP treated by medicines but at times in summer it goes high upto 180-190.She had tuberclosis in the past.She is much pessimistic and hypertensed,troubles me/husband a lot,she married at the age of 45 and delivered her only son at 47years,it was a second marriage to my father in law,they arent in terms so they both are living away.She is hypertensed and wants everything to be brought to her hand,keeps pestering me to do stuffs for her until its done.We are asians,myself and husband live in USA,she is in india.We are worried if her health problems make her worry a lot,trouble herself/others,we want to know her life expectancy and medical options available to treat her condition.