Health

 I mmunization is the process of becoming  immune to  or protected against a disease usually  by receiving a vaccine  vaccines stimulate your immune system to  protect you from certain diseases  so you won't get sick or get an  infection  normally the organs and cells of your  immune system defends your body from  harmful germs  such as bacteria and viruses  immune cells are constantly circulating  through your body  they monitor certain substances on the  surfaces of cells  called antigens healthy cells have  different antigens than diseased body cells  foreign invaders in the body   immune cells usually ignore the antigens  on healthy cells  but when immune cells come across  antigens on  germs they destroy the germ  afterward the immune cell displays the  germs antigen on its surface  this activates other types of immune  cells to help get r...

  what is anemia? Anemia is the term  doctors use when a person has too few  red blood cells than the normal level  red blood cells are the cells in your  blood that carry oxygen when the number  of red blood cells is too low your body  might not get all the oxygen to organs  such as brain and lung what are the  symptoms of anemia?  Many  people with iron deficiency anemia have  no symptoms people who do have symptoms  might fatigue you feel tired or weak you  get shortness of breath especially if  they try to exercise or walk upstairs  you can have light headaches you have  trouble thinking clearly  or a hard time concentrating you get  cold hands and feet a fast or irregular  heartbeat  your skin gets pale brittle nails your  nails break easily What are the causes  of anemia? There are four types of anemia  according to causes  1) Most common type  is iron ...

  B ones of the support system of your body  literally apart from providing structure they protect organs anchor muscles and  store calcium so it's very important to  keep them strong and healthy when you're  young you tend to gain more bone mass  than lose but once you turn 30 your body  starts to lose more bone mass than it  can gain according to recent statistics  one in three women over the age of 50  years and one in five men will  experience bone fractures in their  lifetime don't worry it's not as bad as  it sounds if you take good care of your  bones and keep them healthy they will  likely remain dense enough even when  you're older without causing any  problems however if your bones are thin  and unhealthy then they might start  deteriorating quickly this can lead to  weak brittle bones and diseases like  rickets and osteoporosis can be  expensive and difficult to get b...