Sickle-cell disease is a painful disorder of the red blood cells that in the united states affects mostly african americans. to investigate whether the drug hydroxyurea can reduce the pain associated with sickle-cell disease, a study by the nih gave the drug to 150 sickle-cell sufferers and placebo to another 150. neither doctors nor patients were told who received the drug. the number of episodes of pain reported by each subject was recorded. this is an example of a(n):

Wha arrow in the figure points to the section that indicates how much food is in the package/container

Cognitive development discussion question: must be at least 1 paragraph. how can you demonstrate responsible personal and social behavior during physical activities? *example: responsible personal behavior- locating dangers in your surroundings on a field; i.e. man hole covers, brick signs, holes, broken glass, etc. *example - acknowledge the performance of others, no matter the outcome *example: responsible social behavior – learning to accept rulings from officials, handling stressful situations, knowing your team role and doing your job *example - practice conflict management and listening skills in a competitive atmosphere

1). explain how health, quality of life, and self-esteem are all