Ideally, ex-smokers can gradually reduce the amount of nicotine or stop nicotine replacement therapy all at once after theyâve broken the habit of smoking. Even when used for long periods of time, nicotine replacement therapies are far safer than smoking. Quit rates range from 19% to 26%.f youâve tried to quit before and failed because the craving for nicotine was too strong, nicotine replacement therapies may help. Gum, lozenges, and patches are available over-the-counter. Nasal sprays and inhalers require a prescription.
Submit. Â· just now. Report Abuse. Blood is classified into the following types based on the type of antigens present on them and they are; A, B, AB, O and K +ve and-ve is called as Rhesus factor and it comes from Rhesus monkey. Apart from A, B, AB and O, K is a very rare kind of blood group.Watcher Â· 9 years ago. Thumbs up.ubmit. Â· just now. Report Abuse. Blood is classified into the following types based on the type of antigens present on them and they are; A, B, AB, O and K +ve and-ve is called as Rhesus factor and it comes from Rhesus monkey. Apart from A, B, AB and O, K is a very rare kind of blood group.
blood type. Any of the four main types into which human blood is divided: A, B, AB, and O. Blood types are based on the presence or absence of certain substances, called antigens, on red blood cells.Also called blood group.roup A, type A, A-the blood group whose red cells carry the A antigen. group B, type B, B-the blood group whose red cells carry the B antigen. group AB, type AB, AB-the blood group whose red cells carry both the A and B antigens.