Reply from authors: We still have more to do in our life

Ramadan fasting: Do we need more evidence?

Over a billion of Muslims fast worldwide during Ramadan each year. Through this religious custom, fasting contributes to their health as well as their spiritual growth. However, available evidence regarding the health-benefits of Ramadan fasting is scarce and highly contentious. Although Islam exempts patients from fasting, many fast conceivably, and their clinical condition is prone to deterio...

do we have to consider the method of opium usage in our study?

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The Authors’ Reply

The Authors’ Reply

Why do we have Purkinje fibers deep in our heart?

Purkinje fibers were the first discovered component of the cardiac conduction system. Originally described in sheep in 1839 as pale subendocardial cells, they were found to be present, although with different morphology, in all mammalian and avian hearts. Here we review differences in their appearance and extent in different species, summarize the current state of knowledge of their function, a...