As an example, if a person's diet consumption contains a lack of fuel for energy, this causes their metabolism to slow down therefore leading to weight gain. Becoming overweight increases the risk of health diseases such as obesity, cardiovascular disease etc. Not sure if this helped but this was just based off my current knowledge :)
Transmission of pathogens especially the infectious ones can occur in all of the above. First is through people and animals, also through contaminated objects and lastly the environment. Hope this is the correct answer and this would be of big help.
It’s the 3rd option! Eating a variety of foods from all food groups! Fruits veggies! Proteins dairy all has different vitamins and nutrients your body needs, eating just salad every day doesn’t mean your “healthy”.
