A cold often leads to all kinds of disease.
Kaze wa manbyō no moto.
common cold; cold; influenza; flu; ague
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
all kinds of sicknesses
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question