Naletsana
a Letotong le hlophisitsoeng ke Dr. Thomas Holmes le Dr. Richard Rahe la lintho tse fetang 40 tse boima haholo bophelong ba batho, tse ka holimo-limo tse tharo ke ho shoeloa ke molekane, tlhalo le karohano. Ho kena lenyalong ke ha bosupa letotong lena.