If you have allergies, pregnancy can make your symptoms worse. But you're right to worry about taking allergy medicine during pregnancy. Pregnant women shouldn't take some allergy drugs. Certain antihistamines, however, are safe.
free radical. (chemistry). An atom or a diatomic or polyatomic molecule which possesses one unpaired electron. Also known as a radical.ree radical. in chemistry, a molecule or atom that contains an unpaired electron but is neither positively nor negatively charged. Free radicals are usually highly reactive and unstable.
Answer Wiki. Politics works on negotiations, compromises and subtle power-plays in the pursuit of political goals. A radical is someone who doesn't want to achieve his/her goals through these means, and instead uses means such as revolution. This is because radicals demand total change immediately, in opposition to politics generally allowing change to happen gradually due to jostling between various political groups.