As we know, salt is the most useful resource found on earth. In Ancient
Rome, salt was used as part of the salary to the soldiers. From this, we can
see that salt was as valuable as gold in the past.
In our daily life, besides making nutritious food more palatable, salt
is very useful in making bakery products, canned and frozen foods. Salt is a
good preservative that retards the growth of micro-organisms to make food
storage possible for a long period of timie before refrigeration.
Recently, an opinion that is harmful to our health was raised by Dr.
Arthur Hull Hayes, Jr,. former comissioner of the U.S. Food and Drug
Admistration in 1981. The American Heart Dissociation, the American Medical
Association also joined the low-salt appeal. They believe that sodium salt is
connected with heart disease, circulator disorder, stroke and even early death.
By many doctors and researchers are now beginning to feel that salt has
gone too far. At the University of Alabama, a short-term research has been
done on 150 people on the effect of the intake of salt related to high blood
pressure. Result shows that those with normal blood pressure experience no
change at all when placed in a extremely low salt diet, or later when salt was
introduced, Of the hypertensive subjects, half of those on the low salt diet did
experience a drop in blood pressure, ...
Generalized anxiety disorder (GAD) is much more than the normal anxiety people experience from day to day. GAD is more than the normal nervous response in stressful situations. Such as, the sweaty palms, a racing heart and the butterflies in the stomach one feels before a big test, a board meeting, or addressing a group for the first time. Howev...
Dreams are a form of cognitive activity that occur during sleep. Like vivid memories and daytime fantasies, dreams involve visual images in the absence of external visual stimulation. Some dreams are so realistic and well organized that we feel as though they must be real-- that we simply cannot be dreaming this time. Dreaming has always been the...
is rain that is more acidic than normal. is a complicated problem. Primarily caused by air pollution, 's spread and damage involves weather, chemistry, soil, and the life cycles of plants and animals on the land and in lakes and streams. This form of air pollution is currently a subject of great controversy because of its worldwide environmenta...
Multiple Personality Disorder () Dissociative Identity Disorder (DID) Multiple Personality Disorder (), which is now called Dissociative Identity Disorder (DID), is a Dissociative Disorder. This disorder is when a person has two or more distinct personalities that often control the person's behavior. This disorder has many controversies because o...
have been a mistery for scientists from the day they where discovered. act like viruses but they are not. Their structure and chemistry are unknown. They are believed to be proteins but that is yet to be completely proved. Prion stands for 'proteinaceous infectious particles'. are known to cause many diseases involved with nervous systems like...