For example, we know that people who are lonely and/or socially isolated are at greater risk of premature death, of being inactive, heart disease, stroke and high blood pressure.
Er enghraifft, gwyddom fod pobl sy’n unig neu wedi’u hynysu’n gymdeithasol mewn mwy o berygl o farw cyn pryd, o fod yn anweithgar, o gael clefyd y galon, strôc a phwysedd gwaed uchel.