⁠Why Are Some People Left-Handed?

Genetic Factors

[{"selector":"#anim-5fb2379d-9529-4545-8ffb-c5504af365fd","keyframes":{"opacity":[0,1]},"delay":1000,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Research suggests a genetic component, though it's not fully understood how it influences handedness.

Brain Hemisphere Dominance

[{"selector":"#anim-e4404a0c-c13d-44af-9c00-66db88f2432e","keyframes":{"opacity":[0,1]},"delay":1000,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Left-handedness is linked to the dominance of the right hemisphere in controlling motor functions.

Prenatal Dominance

[{"selector":"#anim-17c19f03-8d3d-4b63-825e-9dcf36bfe4b8","keyframes":{"opacity":[0,1]},"delay":1000,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Certain prenatal factors, such as hormone levels or fetal position, may affect handedness.

Neurodevelopment Factors

[{"selector":"#anim-6d0b28f3-f263-4543-9248-c98a7267578d","keyframes":{"opacity":[0,1]},"delay":1000,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Differences in brain development and neural wiring might contribute to handedness.

Environmental Influences

[{"selector":"#anim-613f294f-f1ab-4109-8418-d3e878c06317","keyframes":{"opacity":[0,1]},"delay":1000,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Some theories suggest environmental factors and upbringing might play a role in developing handedness.

Birth Stress

[{"selector":"#anim-fbb0388c-089c-4389-b3e4-6c0719197c22","keyframes":{"opacity":[0,1]},"delay":1000,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Complications during bitch, such as difficulty delivery or low birth weight have been associated with an increased probability of left-handedness.