Sangrado de nariz: ¿Por qué ocurre?

#iguru_soc_icon_wrap_66a4a5a1a487d a{ background: transparent; }#iguru_soc_icon_wrap_66a4a5a1a487d a:hover{ background: transparent; border-color: #2c8fa0; }#iguru_soc_icon_wrap_66a4a5a1a487d a{ color: #2c8fa0; }#iguru_soc_icon_wrap_66a4a5a1a487d a:hover{ color: #ffffff; }.iguru_module_social #soc_icon_66a4a5a1a48ad1{ color: #ffffff; }.iguru_module_social #soc_icon_66a4a5a1a48ad1:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_66a4a5a1a48ad1{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_66a4a5a1a48ad1:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_66a4a5a1a48bf2{ color: #ffffff; }.iguru_module_social #soc_icon_66a4a5a1a48bf2:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_66a4a5a1a48bf2{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_66a4a5a1a48bf2:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_66a4a5a1a48c83{ color: #ffffff; }.iguru_module_social #soc_icon_66a4a5a1a48c83:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_66a4a5a1a48c83{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_66a4a5a1a48c83:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_66a4a5a1a48cf4{ color: #ffffff; }.iguru_module_social #soc_icon_66a4a5a1a48cf4:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_66a4a5a1a48cf4{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_66a4a5a1a48cf4:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_66a4a5a1a48d65{ color: #ffffff; }.iguru_module_social #soc_icon_66a4a5a1a48d65:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_66a4a5a1a48d65{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_66a4a5a1a48d65:hover{ background: rgba(255,255,255,0.01); }