Answer: No
Explanation: Because when you wash your hands you’re getting rid of the germs that would have contact with your food if you chose to not wash them.
The report reveals that common food dyes pose risks of cancer, hyperactivity in children, and allergies. The food industry dumps over 15 million pounds of the dyes studied into the food supply each year. Three of the dyes carry known carcinogens, and 4 can cause serious allergic reactions in some consumers.
here. I found this for you. don't know how accurate but it may help.
Generally, sounds above 85 dB are harmful, so the sound of 145 dB may damage hearing.
In the statement of food fresh means which is recently made and in natural no artificial flavours is added.