Millie has been having difficulties remembering what people have just said. she is unable to follow along during her favorite television shows. millie is having difficulty with her memory.

Amnesia (Short-term memory)

Explanation:

Millie is having short term memory loss due to the effects of brain injury or damage. It could also be as a result of the effects of drugs or alcohol poisoning. Millie will be able to remember events that happened fifteen years ago but will be sketchy on what happened fifteen minutes back. Stress, anxiety and depression can also impact the intensity of short-term memory loss otherwise known as amnesia.

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.