Complex sentence: Part of the gap may be explained by heightened levels of stress that result from traditional gender roles: for example, the death of a spouse and divorce are risk factors for suicide in both genders, but the effect is somewhat mitigated for females.
Split into simpler sentences: Part of the gap may be explained by heightened levels of stress that result from traditional gender roles. For example, the death of a spouse and divorce are risk factors for suicide in both genders, but the effect is somewhat mitigated for females.