Findings Can Be Statistically Significant but Clinically Not Significant

Findings can be statistically significant but clinically not significant. Which of the following studies with statistically significant findings exemplify this?

A) Seventy-five seconds of UV light daily can completely reverse the symptoms of allergic dermatitis.
B) Eating a cup of salad greens daily increases one's life expectancy by 2 years.
C) Petting a cat for 5 minutes daily increases one's endorphin levels.
D) Exercise Program Delta causes weight loss of 6.3 pounds per year in morbidly obese women.
E) Talking to a crying baby calms the baby more than ignoring it; picking up the baby calms it more than talking to it.
F) Medication R15B, taken daily from age 13, completely controls cystic acne by age 23.