Answer:
. Vulnerability to
develop an addiction to drugs is dependent on genetic, environmental, social and
biological factors. In particular, the interactions of environmental and genetic factors
indicate the significance of epigenetic mechanisms, which have been found to occur in
response to illicit drug use or as underlying factors in chronic substance abuse and
relapse. Epigenetics is defined as the heritable and possibly reversible modifications in
gene expression that do not involve alterations in the DNA sequence. This review
discusses the various types of epigenetic modifications and their relevance to drug
addiction to elucidate whether epigenetics is a predisposing factor, or a response to,
developing an addiction to drugs of abuse.
Answer:
Due to the coronavirus public health emergency, the John F. Kennedy Presidential Library and Museum will be closed through December 31, 2020 and until further notice. More information.
yeah it's a valid reason
yes metaphor is used.
Explanation:
thank you.
a person killed or injured in a war or accident.
