Although Tamara seems to be of average weight and height, her roommate notices that she has some potentially unhealthy eating behaviors. A few days after they go grocery shopping, many of the high calorie, rich foods turn up missing. Her roommate also notices that Tamara spends hours upon hours at the gym and often takes laxatives. Tamara's roommate is concerned that Tamara may be struggling with

Bulimia nervosa.

Explanation:

Bulimia nervosa is an eating disorder That is a life-threatening disorder. In This disorder, an individual loses his ability to control over eating and binge eat and to control or get rid of the extra calories they use unhealthy ways.

In this case, Tamara showing symptoms of Bulimia nervosa as she eats high calory rich food and spends hours in the gym, and uses laxatives to get rid of extra calories.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.