The US was already geared for war, that's what the cold war was all about. However, US tactics and machines of war had to be modified somewhat for the Vietnam War. Examples: 1. The cold war M14 US Service Rifle had to be replaced with a light-weight rapid firing jungle rifle; the M16.
If a genetic test or blood test suggests CF, a doctor will confirm the diagnosis using a sweat test. This test is the most useful test for diagnosing CF. A sweat test measures the amount of salt in sweat.For this test, the doctor triggers sweating on a small patch of skin on an arm or leg. Genetic tests to find out what type of CFTR defect is causing your CF. 2  A chest x ray. 3  This test creates pictures of the structures in your chest, such as your heart, lungs, and blood vessels. 4  A chest x ray can show whether your lungs are inflamed or scarred, or whether they trap air.
Chronic fatigue syndrome (CFS) is hard to diagnose. It is common to have normal test results when you have CFS. Fatigue is an extremely common problem, and it can have many other causes. CFS can be diagnosed only by ruling out other conditions. First, your doctor will ask you about past health and do a physical exam. Experts have come up with a specific list of symptoms to decide whether a person has CFS.