The synaptic gap, synaptic bulb, and plasma membrane are all structures of the synaptic cleft.
A low amount of calories or no calories
In recent years, fluoride is an essential nutrient necessary for producing healthy teeth where water and toothpaste companies fluoridate the toothpaste and public water supplies.
However, studies shows that fluoride is more poisonous than lead for in hypersensitive individuals, it can cause skin eruptions such as atopic dermatitis, eczema and urticaria. According to National Cancer Institute, fluoridation of water and toothpaste has been linked to significant increase in genetic damage that lead to bone cancer called osteosarcoma.
Moreover, there are also reports that shows artificially fluoridated water, can inhibit enzyme systems, damage the immune system, contribute to calcification of soft tissues, worsen arthritis and cause dental fluorosis.
In the end, further studies and research must be conducted to fully address the truth about fluoride and fluoridation.
It would be more difficult for a researcher to establish rapport with an informant they have not met.
Informants are very important in research because they help the researcher to find out things that would have been otherwise difficult to find.
Researchers generally prefer to meet their informants in person because:
- they can better read non-verbal cues such as hand gestures
- there is a chance for a better connection with the informant
- easier to establish credibility
All of these ensure that the researcher is able to establish rapport easier with the informant so meeting in person is better.
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