Abstract
The biology of ageing
Highlights
What causes ageing? Is it inevitable? Could it be slowed or even reversed? Humans have wanted to know the answer to these questions ever since we became aware of our own mortality
They looked at four different types of immune cells: B cells (cells that produce antibodies to fight infection, Natural killer (NK) cells
T cells come in two Humans have wanted to know the answer to these questions ever since we became aware of our own mortality
Summary
What causes ageing? Is it inevitable? Could it be slowed or even reversed? Humans have wanted to know the answer to these questions ever since we became aware of our own mortality. IMMUNE SYSTEM DECLINE It is well known that as people age, they become more susceptible to infection and other diseases as well, it is one of the reasons we vaccinate the elderly to influenza In his longitudinal studies of ageing, Dr Weng is trying to understand what changes in the immune system as people age, and how this flavours, CD4+ cells secrete signals to aid other immune cells in the fight, and CD8+, which, like NK cells, seek out and kill infected cells . These cells are known collectively as lymphocytes.
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