Sangrado de nariz: ¿Por qué ocurre?

#iguru_soc_icon_wrap_6a1ac0be0b5f2 a{ background: transparent; }#iguru_soc_icon_wrap_6a1ac0be0b5f2 a:hover{ background: transparent; border-color: #2c8fa0; }#iguru_soc_icon_wrap_6a1ac0be0b5f2 a{ color: #2c8fa0; }#iguru_soc_icon_wrap_6a1ac0be0b5f2 a:hover{ color: #ffffff; }.iguru_module_social #soc_icon_6a1ac0be0b6241{ color: #ffffff; }.iguru_module_social #soc_icon_6a1ac0be0b6241:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6a1ac0be0b6241{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a1ac0be0b6241:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a1ac0be0b6342{ color: #ffffff; }.iguru_module_social #soc_icon_6a1ac0be0b6342:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6a1ac0be0b6342{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a1ac0be0b6342:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a1ac0be0b63e3{ color: #ffffff; }.iguru_module_social #soc_icon_6a1ac0be0b63e3:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6a1ac0be0b63e3{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a1ac0be0b63e3:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a1ac0be0b6464{ color: #ffffff; }.iguru_module_social #soc_icon_6a1ac0be0b6464:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6a1ac0be0b6464{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_6a1ac0be0b6464:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a1ac0be0b64e5{ color: #ffffff; }.iguru_module_social #soc_icon_6a1ac0be0b64e5:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6a1ac0be0b64e5{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_6a1ac0be0b64e5:hover{ background: rgba(255,255,255,0.01); }