¿Qué es una enfermedad sistémica y cuáles son las más frecuentes?

#iguru_soc_icon_wrap_680c605b5e741 a{ background: transparent; }#iguru_soc_icon_wrap_680c605b5e741 a:hover{ background: transparent; border-color: #2c8fa0; }#iguru_soc_icon_wrap_680c605b5e741 a{ color: #2c8fa0; }#iguru_soc_icon_wrap_680c605b5e741 a:hover{ color: #ffffff; }.iguru_module_social #soc_icon_680c605b5e76c1{ color: #ffffff; }.iguru_module_social #soc_icon_680c605b5e76c1:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_680c605b5e76c1{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_680c605b5e76c1:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_680c605b5e77e2{ color: #ffffff; }.iguru_module_social #soc_icon_680c605b5e77e2:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_680c605b5e77e2{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_680c605b5e77e2:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_680c605b5e7873{ color: #ffffff; }.iguru_module_social #soc_icon_680c605b5e7873:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_680c605b5e7873{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_680c605b5e7873:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_680c605b5e78f4{ color: #ffffff; }.iguru_module_social #soc_icon_680c605b5e78f4:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_680c605b5e78f4{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_680c605b5e78f4:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_680c605b5e7955{ color: #ffffff; }.iguru_module_social #soc_icon_680c605b5e7955:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_680c605b5e7955{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_680c605b5e7955:hover{ background: rgba(255,255,255,0.01); }