I dont think this is the place to ask that. I would recommend finding a health forum to ask this on and contacting your doctor. Maybe you have a slight allergy to eggs and your body reacts with a headache. But most of us are probably not drs so we cant give you a solid answer. I do hope you figure it out though!
Answer:
the right answer is reaction
Answer:
Some longer-term changes begin as adjustments to compensate for drug-induced increases in neurotransmitter signaling intensity. For example, the brain responds to repeated drug-induced massive dopamine surges in part by reducing its complement of dopamine receptors.
Say you would want to start eating healthier. You ask your parents or whoever goes grocery shopping in your family to buy less junk food and more healthy food. You can also ask them to keep you on the right track. Since there is less junk food in your house, your family would theoretically start eating better too.