A number of scientists have proposed theories or the possible reasons for aging .
अनक वजञनक न वदधवसथ क सभवत करण य सदधत परतपदत कए ह .
<bos><start_of_turn>user
A number of scientists have proposed theories or the possible reasons for aging .<end_of_turn>
<start_of_turn>model
अनक वजञनक न वदधवसथ क सभवत करण य सदधत परतपदत कए ह .<end_of_turn>
