Low Thyroid hormone can causes hair loss, sluggishness and low metabolic rate.
There are many causes to low heart rate in unborn babies. One of the causes could be not enough oxygen to the baby.
The death rate in a country can be high or low. there is your sentence.
Low
The mortality rate depends on the size of the population, no matter what the size.
Demographic transition
It is a lie. They haven't a rate like that.
More death then births would be a good example.
The infant mortality rate as of 2010 in Maimi Date is 4.4 deaths/1,000 live births. The leading causes of death among infants are birth defects, pre-term delivery, low birth weight, Sudden Infant Death Syndrome (SIDS), and maternal complications during pregnancy.
there will be high death rate there will low birth rate immigration will increase\
industrialisationimmigrationimproved medicaltechniques leading to increase in birth rate and decrease in death rate.
The approximate death rate is changing due to human causes. The death rate is increasing, but an actual amount is hard to find.