when i was 7 years old I listened to this song on repeat hoping I would have the strength one day to do it. and my mom had a pill problem. My dad worked all the time and didnt care, and my sister hated me. At 12 my mom died of a drug overdose. I miss my mother. I'm depressed. I have trouble sleeping. when I do sleep its at 2AM. I cut my wrists I hate me.

Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias