Read on for updates on how life after work­ing life is get­ting fuller and busier;the power­ful prop­er­ties of mush­rooms; thumbs up for tai chi after stroke;latest research on vit­am­ins and demen­tia Retired? No, busy work­ing for good causes One in five retired people have turned them­selves into ‘port­fo­lio volun­teers’, tak­ing on reg­u­lar duties for two or more char­it­ies, accord­ing to a sur­vey from the Royal Voluntary...