Physical energies inevitably drop and so does the readiness of reflexes and efficiency in learning and retaining new information. One may already feel tired when waking up or down in the dumps during the day and suffer from seemingly “unmotivated” soreness at muscles and joints, after modest exertion or even at rest. The metabolism slows down, and even if the appetite drops, a few pounds of too much. Sleep becomes shorter. These are just some of the changes physiologically associated with aging with which everyone, a little or a lot, have to cope especially from the age of 60. But the passage of time also brings some advantages, which can at least partially counterbalance the negative aspects of age. These for example. .
What kind of mask can be used to prevent transmission of COVID-19 virus?
There are different types of masks, fabric ones, surgical ones those referred to by the acronyms FFP2 and FFP3, which differ in various characteristics related to composition, ability to act
