Cómo evitar que nuevas secciones pasen a la página o párrafos siguientes en LaTeX

Cómo evitar que nuevas secciones pasen a la página o párrafos siguientes en LaTeX

Estoy trabajando en mi artículo de dos columnas. Me doy cuenta de que a menudo cuando uso el \section{}comando en LATEX, la nueva sección aparece en la siguiente columna (o incluso en la siguiente página), incluso si la primera columna o página anterior no está llena de texto. Esto crea un espacio vacío muy grande e incómodo en la parte inferior de la primera columna o página, solo para que la nueva sección pueda comenzar en una nueva página o columna.

¿Hay alguna manera de forzar fácilmente que se sobrescriba ese valor predeterminado? Siempre quiero que aparezca una nueva sección inmediatamente después del final de la sección anterior (con solo un espacio de línea).

\documentclass[journal]{vgtc} % final (journal style)
%\let\ifpdf\relax
\usepackage[utf8]{inputenc}
\usepackage{mathptmx}
\usepackage{graphicx,xcolor}
\usepackage{sidecap}
\usepackage{times}
\usepackage{dblfloatfix}
\usepackage{fixltx2e}
\usepackage{mwe}
\usepackage{natbib}
\usepackage{fullpage}
\usepackage{color}
%\usepackage[dvipsnames,svgnames]
\usepackage[bookmarks,backref=true,linkcolor=black]{hyperref} %,colorlinks
\usepackage{listings} %% addedR
\hypersetup{
  pdfauthor = {},
  pdftitle = {},
  pdfsubject = {},
  pdfkeywords = {},
  colorlinks=true,
  linkcolor= black,
  citecolor= black,
  pageanchor=true,
  urlcolor = black,
  plainpages = false,
  linktocpage
}
\usepackage{wrapfig,float}
\usepackage{caption} %%% added
\captionsetup[figure]{slc=off}  %%% added
\usepackage{subcaption}
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{url}
\usepackage{ulem}
\usepackage[section]{placeins}
\usepackage[export]{adjustbox}
\usepackage[colorinlistoftodos]{todonotes}
\usepackage{fancyhdr} 
\fancyhf{}
\cfoot{\thepage}
\pagestyle{fancy}

\newcommand{\hh}[1]{{\color{orange} #1}}
\graphicspath{{figure/}}
\renewcommand{\floatpagefraction}{.99}
\newcommand{\done}[2][inline]{\todo[color=SpringGreen, #1]{#2}}
\newcommand{\newdo}[1]{\todo[inline, color=Plum]{#1}}
\newcommand{\comment}[2][inline]{\todo[color=SkyBlue, #1]{#2}}
\newcommand{\newtext}[1]{\todo[inline, color=White]{ \color{OliveGreen}{#1}}}

\renewcommand{\headrulewidth}{0pt}


\begin{document}

\firstsection{First section}


This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. 

This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. 

This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. This is the first section. 

\section{Second section}
This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. 

This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. 

This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. 

This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. This is the second section. 

\end{document}

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