Khalil sees an ad on social media for a diet that claims it will help him lose weight quickly if he eats only pickles for three days in a row. If he sticks to pickles, he can have as many as he wants, but nothing else. Khalil is skeptical. Which of the following red flags of a fad diet has he most likely recognized?
A bizarre quantity of only one food
A miracle food that burns fat
Specific food combinations
No increased physical activity
