Don ƙarin koyo game da mutum, kawai a hankali duba cikin hannunsa. Kuma ba muna magana ne game da zobe na shiga ba (ko rashi ba) akan yatsan zobe. Akwai wasu ƙarin bayanai masu ban sha'awa waɗanda za a iya karanta su a tafin hannu. Shin kana da ban sha'awa? To, ɗauki gwaji mai ban sha'awa.
Kwararrun likitoci na iya yin bayani da yawa game da yanayin mai haƙuri ta hanyar riƙe hannunsa. Muna ba da shawara cewa kada kuyi nazarin ba yanayin yanayin fata ba, amma siffar dabino da tsawon yatsunsu. Fara da hannunka. Kuna tsammanin yatsunku sun fi tsayi ko tsayi? Yanzu kalli kamannin dabino: shin zaku iya kira shi cikakke ko shin ma'anar "murabba'in" yafi dacewa? Matsakaicin waɗannan sigogi biyu (tsayin yatsa + tsawon dabino) ya isa ya zana wasu ƙarshe. Yi hankali da duba dukkan misalai 4, zaɓi wanda ya dace da kai ta danna maɓallin da ya dace.
